CISL masterplan concept showing the archipelago strategy for allowing the island to morph back into nature
Grid of daily photos taken in Hong Kong documenting typical forms of urban buildingsGrid of daily photos taken in Hong Kong documenting typical forms of urban buildingsGrid of daily photos taken in Hong Kong documenting typical forms of urban buildingsGrid of daily photos taken in Hong Kong documenting typical forms of urban buildings
Elevation perspective of Camelback Mountain in Phoenix lined with new layers of housing by student Stephen AdrianElevation perspective of Camelback Mountain in Phoenix lined with new layers of housing by student Stephen AdrianElevation perspective of Camelback Mountain in Phoenix lined with new layers of housing by student Stephen AdrianElevation perspective of Camelback Mountain in Phoenix lined with new layers of housing by student Stephen Adrian
Axon, zoning and impact data on the proposed ININ infill extension into the Bronx with the possibility of extendingAxon, zoning and impact data on the proposed ININ infill extension into the Bronx with the possibility of extendingAxon, zoning and impact data on the proposed ININ infill extension into the Bronx with the possibility of extendingAxon, zoning and impact data on the proposed ININ infill extension into the Bronx with the possibility of extending
Urban plan for an infill system of branches housing that increases suburban density and adds parks by student Rikkie PedregonUrban plan for an infill system of branches housing that increases suburban density and adds parks by student Rikkie PedregonUrban plan for an infill system of branches housing that increases suburban density and adds parks by student Rikkie PedregonUrban plan for an infill system of branches housing that increases suburban density and adds parks by student Rikkie Pedregon
Animation of the various layers of structural logics and visitor paths through the new RACA gallery and studio additionAnimation of the various layers of structural logics and visitor paths through the new RACA gallery and studio additionAnimation of the various layers of structural logics and visitor paths through the new RACA gallery and studio additionAnimation of the various layers of structural logics and visitor paths through the new RACA gallery and studio addition
Perspective of a series of towers and landscaped connections above the desert floor of Phoenix by student Xingyu ZhongPerspective of a series of towers and landscaped connections above the desert floor of Phoenix by student Xingyu ZhongPerspective of a series of towers and landscaped connections above the desert floor of Phoenix by student Xingyu ZhongPerspective of a series of towers and landscaped connections above the desert floor of Phoenix by student Xingyu Zhong
Concept axonometric drawings for an archipelago of new lands and units within the Salt River wash by student Cecile KimConcept axonometric drawings for an archipelago of new lands and units within the Salt River wash by student Cecile KimConcept axonometric drawings for an archipelago of new lands and units within the Salt River wash by student Cecile KimConcept axonometric drawings for an archipelago of new lands and units within the Salt River wash by student Cecile Kim
Series of aerials showing the ability to transform suburban communities into a natural landscape by student Amberley JohnsonSeries of aerials showing the ability to transform suburban communities into a natural landscape by student Amberley JohnsonSeries of aerials showing the ability to transform suburban communities into a natural landscape by student Amberley JohnsonSeries of aerials showing the ability to transform suburban communities into a natural landscape by student Amberley Johnson
Diagrams from Richard Rogers' Zip-Up House as the basis for proposing modular units that can be zipped together for FVDCDiagrams from Richard Rogers' Zip-Up House as the basis for proposing modular units that can be zipped together for FVDCDiagrams from Richard Rogers' Zip-Up House as the basis for proposing modular units that can be zipped together for FVDCDiagrams from Richard Rogers' Zip-Up House as the basis for proposing modular units that can be zipped together for FVDC
Perspective from the terrace decks of the combined farming and tower typology proposed by student Zihao LIPerspective from the terrace decks of the combined farming and tower typology proposed by student Zihao LIPerspective from the terrace decks of the combined farming and tower typology proposed by student Zihao LIPerspective from the terrace decks of the combined farming and tower typology proposed by student Zihao LI
Perspective of the final phase 3 large YELE recording studio to service a large group of peoplePerspective of the final phase 3 large YELE recording studio to service a large group of peoplePerspective of the final phase 3 large YELE recording studio to service a large group of peoplePerspective of the final phase 3 large YELE recording studio to service a large group of people
Cluster of vertical housing towers set within a mountain forest in Hong KongCluster of vertical housing towers set within a mountain forest in Hong KongCluster of vertical housing towers set within a mountain forest in Hong KongCluster of vertical housing towers set within a mountain forest in Hong Kong
Perspective showing the massing density of individual housing units and open spaces in student Melissa Quinones' proposalPerspective showing the massing density of individual housing units and open spaces in student Melissa Quinones' proposalPerspective showing the massing density of individual housing units and open spaces in student Melissa Quinones' proposalPerspective showing the massing density of individual housing units and open spaces in student Melissa Quinones' proposal
Green glowing corner elevation of a street in Hong Kong at nightGreen glowing corner elevation of a street in Hong Kong at nightGreen glowing corner elevation of a street in Hong Kong at nightGreen glowing corner elevation of a street in Hong Kong at night
Collection of 2D drawings of assorted layouts from dimensions.comCollection of 2D drawings of assorted layouts from dimensions.comCollection of 2D drawings of assorted layouts from dimensions.comCollection of 2D drawings of assorted layouts from dimensions.com
Yellow tower and podium building set against the dense city of Hong KongYellow tower and podium building set against the dense city of Hong KongYellow tower and podium building set against the dense city of Hong KongYellow tower and podium building set against the dense city of Hong Kong
Aerial perspective showing the layouts of stacked housing units along Camelback Mountain by student Donglei CaoAerial perspective showing the layouts of stacked housing units along Camelback Mountain by student Donglei CaoAerial perspective showing the layouts of stacked housing units along Camelback Mountain by student Donglei CaoAerial perspective showing the layouts of stacked housing units along Camelback Mountain by student Donglei Cao
Study of a stacked massing volume as one of the proposed infrastructural nodes in student Salma Osuna Lopez's urban proposalStudy of a stacked massing volume as one of the proposed infrastructural nodes in student Salma Osuna Lopez's urban proposalStudy of a stacked massing volume as one of the proposed infrastructural nodes in student Salma Osuna Lopez's urban proposalStudy of a stacked massing volume as one of the proposed infrastructural nodes in student Salma Osuna Lopez's urban proposal
Perspective collage illustrating the relationship between the ININ housing infill with adjacent park and public spacesPerspective collage illustrating the relationship between the ININ housing infill with adjacent park and public spacesPerspective collage illustrating the relationship between the ININ housing infill with adjacent park and public spacesPerspective collage illustrating the relationship between the ININ housing infill with adjacent park and public spaces
Concept drawing merging the wireframes of a pyramidal city with the contours of a mountain by student Lamarra CarterConcept drawing merging the wireframes of a pyramidal city with the contours of a mountain by student Lamarra CarterConcept drawing merging the wireframes of a pyramidal city with the contours of a mountain by student Lamarra CarterConcept drawing merging the wireframes of a pyramidal city with the contours of a mountain by student Lamarra Carter
Three monochrome towers set against a cloudy blue sky in Hong KongThree monochrome towers set against a cloudy blue sky in Hong KongThree monochrome towers set against a cloudy blue sky in Hong KongThree monochrome towers set against a cloudy blue sky in Hong Kong
Animated set of plan drawings of the various levels, programs, and residential and study units of the UI housing towersAnimated set of plan drawings of the various levels, programs, and residential and study units of the UI housing towersAnimated set of plan drawings of the various levels, programs, and residential and study units of the UI housing towersAnimated set of plan drawings of the various levels, programs, and residential and study units of the UI housing towers
Scaled group of 2D pop culture topics drawn for the dimensions.com databaseScaled group of 2D pop culture topics drawn for the dimensions.com databaseScaled group of 2D pop culture topics drawn for the dimensions.com databaseScaled group of 2D pop culture topics drawn for the dimensions.com database
Section perspective showing the exterior public space above the private recording studios and radio center deckSection perspective showing the exterior public space above the private recording studios and radio center deckSection perspective showing the exterior public space above the private recording studios and radio center deckSection perspective showing the exterior public space above the private recording studios and radio center deck
Diagrammatic section perspective of the various functions within the Maverick Housing Unit at the edges of the QTCT projectDiagrammatic section perspective of the various functions within the Maverick Housing Unit at the edges of the QTCT projectDiagrammatic section perspective of the various functions within the Maverick Housing Unit at the edges of the QTCT projectDiagrammatic section perspective of the various functions within the Maverick Housing Unit at the edges of the QTCT project
Community made up of self-made housing units by student Brittany ClevelandCommunity made up of self-made housing units by student Brittany ClevelandCommunity made up of self-made housing units by student Brittany ClevelandCommunity made up of self-made housing units by student Brittany Cleveland
Street perspective showing a typical Phoenix street with new volumes beginning to connect above by student Brennan RichardsStreet perspective showing a typical Phoenix street with new volumes beginning to connect above by student Brennan RichardsStreet perspective showing a typical Phoenix street with new volumes beginning to connect above by student Brennan RichardsStreet perspective showing a typical Phoenix street with new volumes beginning to connect above by student Brennan Richards
Perspective of the internal relationship between the density of infill towers and connections by student student Brayan MunozPerspective of the internal relationship between the density of infill towers and connections by student student Brayan MunozPerspective of the internal relationship between the density of infill towers and connections by student student Brayan MunozPerspective of the internal relationship between the density of infill towers and connections by student student Brayan Munoz
Isolated zones of study throughout the proposed CISL section for rewilding and allowing nature and lifted infrastructureIsolated zones of study throughout the proposed CISL section for rewilding and allowing nature and lifted infrastructureIsolated zones of study throughout the proposed CISL section for rewilding and allowing nature and lifted infrastructureIsolated zones of study throughout the proposed CISL section for rewilding and allowing nature and lifted infrastructure
External courtyard perspective of a modular housing proposal for Tempe, Arizona by student Weicheng WangExternal courtyard perspective of a modular housing proposal for Tempe, Arizona by student Weicheng WangExternal courtyard perspective of a modular housing proposal for Tempe, Arizona by student Weicheng WangExternal courtyard perspective of a modular housing proposal for Tempe, Arizona by student Weicheng Wang
Section perspective of a mountain mass built into the mountain topography at Saguaro Lake by student Camille MedeirosSection perspective of a mountain mass built into the mountain topography at Saguaro Lake by student Camille MedeirosSection perspective of a mountain mass built into the mountain topography at Saguaro Lake by student Camille MedeirosSection perspective of a mountain mass built into the mountain topography at Saguaro Lake by student Camille Medeiros
Process drawing illustrating the various phases of organic growth within a dense corridor by student Dellan RaishProcess drawing illustrating the various phases of organic growth within a dense corridor by student Dellan RaishProcess drawing illustrating the various phases of organic growth within a dense corridor by student Dellan RaishProcess drawing illustrating the various phases of organic growth within a dense corridor by student Dellan Raish
Section drawing of a single diamond shaped housing mass revealing a diversity of internal spaces by student Lamarra CarterSection drawing of a single diamond shaped housing mass revealing a diversity of internal spaces by student Lamarra CarterSection drawing of a single diamond shaped housing mass revealing a diversity of internal spaces by student Lamarra CarterSection drawing of a single diamond shaped housing mass revealing a diversity of internal spaces by student Lamarra Carter
Collection of study models looking at hybridized massing and program interactions for the new CISL housing typologyCollection of study models looking at hybridized massing and program interactions for the new CISL housing typologyCollection of study models looking at hybridized massing and program interactions for the new CISL housing typologyCollection of study models looking at hybridized massing and program interactions for the new CISL housing typology
Animated diagram showing the mutation of CISL as part natural ecology, part urban context, part absurd theme parkAnimated diagram showing the mutation of CISL as part natural ecology, part urban context, part absurd theme parkAnimated diagram showing the mutation of CISL as part natural ecology, part urban context, part absurd theme parkAnimated diagram showing the mutation of CISL as part natural ecology, part urban context, part absurd theme park
Aerial perspective showing the ININ infill massing along Park Avenue on Manhattan as a reaction to housing needsAerial perspective showing the ININ infill massing along Park Avenue on Manhattan as a reaction to housing needsAerial perspective showing the ININ infill massing along Park Avenue on Manhattan as a reaction to housing needsAerial perspective showing the ININ infill massing along Park Avenue on Manhattan as a reaction to housing needs
Urban plan for an organic growth of housing and public facilities integrated into the mountains by student Camille MedeirosUrban plan for an organic growth of housing and public facilities integrated into the mountains by student Camille MedeirosUrban plan for an organic growth of housing and public facilities integrated into the mountains by student Camille MedeirosUrban plan for an organic growth of housing and public facilities integrated into the mountains by student Camille Medeiros
Diagrammatic section perspective showing the programs and scale of the single family Charlie unit in the QTCT housing projectDiagrammatic section perspective showing the programs and scale of the single family Charlie unit in the QTCT housing projectDiagrammatic section perspective showing the programs and scale of the single family Charlie unit in the QTCT housing projectDiagrammatic section perspective showing the programs and scale of the single family Charlie unit in the QTCT housing project
Concept image depicting an urban growth of stacking linear bars between disconnected communities by student Julien GutierrezConcept image depicting an urban growth of stacking linear bars between disconnected communities by student Julien GutierrezConcept image depicting an urban growth of stacking linear bars between disconnected communities by student Julien GutierrezConcept image depicting an urban growth of stacking linear bars between disconnected communities by student Julien Gutierrez
Section perspective diagram of interaction with the CART moving room lift that extends the main living spaceSection perspective diagram of interaction with the CART moving room lift that extends the main living spaceSection perspective diagram of interaction with the CART moving room lift that extends the main living spaceSection perspective diagram of interaction with the CART moving room lift that extends the main living space
Model of serpentine housing bars made up of stacked units along the contours of Camelback Mountain by student Donglei CaoModel of serpentine housing bars made up of stacked units along the contours of Camelback Mountain by student Donglei CaoModel of serpentine housing bars made up of stacked units along the contours of Camelback Mountain by student Donglei CaoModel of serpentine housing bars made up of stacked units along the contours of Camelback Mountain by student Donglei Cao
Study model of a floating RACA gallery mass floating above the existing visitor center with a skin made of shifting symbolsStudy model of a floating RACA gallery mass floating above the existing visitor center with a skin made of shifting symbolsStudy model of a floating RACA gallery mass floating above the existing visitor center with a skin made of shifting symbolsStudy model of a floating RACA gallery mass floating above the existing visitor center with a skin made of shifting symbols
Plan view showing the growth of lifted city above Phoenix by student Brennan RichardsPlan view showing the growth of lifted city above Phoenix by student Brennan RichardsPlan view showing the growth of lifted city above Phoenix by student Brennan RichardsPlan view showing the growth of lifted city above Phoenix by student Brennan Richards
Collage concept from one of the possible art studio spaces observing the landscape of UI and the urban quality of the towersCollage concept from one of the possible art studio spaces observing the landscape of UI and the urban quality of the towersCollage concept from one of the possible art studio spaces observing the landscape of UI and the urban quality of the towersCollage concept from one of the possible art studio spaces observing the landscape of UI and the urban quality of the towers
Aerial perspective of a circular embedded housing and farming community with shared programs by student Alejandra LobatoAerial perspective of a circular embedded housing and farming community with shared programs by student Alejandra LobatoAerial perspective of a circular embedded housing and farming community with shared programs by student Alejandra LobatoAerial perspective of a circular embedded housing and farming community with shared programs by student Alejandra Lobato
Urban plan of a network of towers and connections tangled further into Phoenix's highway interchanges by student Xingyu ZhongUrban plan of a network of towers and connections tangled further into Phoenix's highway interchanges by student Xingyu ZhongUrban plan of a network of towers and connections tangled further into Phoenix's highway interchanges by student Xingyu ZhongUrban plan of a network of towers and connections tangled further into Phoenix's highway interchanges by student Xingyu Zhong
Urban section illustrating the layers of landscape, housing, and canopy cover for creating a new city by student Cecile KimUrban section illustrating the layers of landscape, housing, and canopy cover for creating a new city by student Cecile KimUrban section illustrating the layers of landscape, housing, and canopy cover for creating a new city by student Cecile KimUrban section illustrating the layers of landscape, housing, and canopy cover for creating a new city by student Cecile Kim
Exploded diagram showing the cores, plates, skins, and connections within the dense growth proposed by student Brayan MunozExploded diagram showing the cores, plates, skins, and connections within the dense growth proposed by student Brayan MunozExploded diagram showing the cores, plates, skins, and connections within the dense growth proposed by student Brayan MunozExploded diagram showing the cores, plates, skins, and connections within the dense growth proposed by student Brayan Munoz
Photo grid collection of everyday forms of urbanism in Hong Kong documented in 2014Photo grid collection of everyday forms of urbanism in Hong Kong documented in 2014Photo grid collection of everyday forms of urbanism in Hong Kong documented in 2014Photo grid collection of everyday forms of urbanism in Hong Kong documented in 2014
Exploded diagram of the components creating a community on the new lands of the Salt River by student Cecile KimExploded diagram of the components creating a community on the new lands of the Salt River by student Cecile KimExploded diagram of the components creating a community on the new lands of the Salt River by student Cecile KimExploded diagram of the components creating a community on the new lands of the Salt River by student Cecile Kim
Perspective of the canyon-like internal space within the housing frame walls proposed by student Marcia IbarraPerspective of the canyon-like internal space within the housing frame walls proposed by student Marcia IbarraPerspective of the canyon-like internal space within the housing frame walls proposed by student Marcia IbarraPerspective of the canyon-like internal space within the housing frame walls proposed by student Marcia Ibarra
Digital and physical massing studies of the Rip Shack concept for a continuous surface structure as part of the QTCT processDigital and physical massing studies of the Rip Shack concept for a continuous surface structure as part of the QTCT processDigital and physical massing studies of the Rip Shack concept for a continuous surface structure as part of the QTCT processDigital and physical massing studies of the Rip Shack concept for a continuous surface structure as part of the QTCT process
Collage perspective representing a summer morning seeing the UI Poveglia Island across the Venetian lagoonCollage perspective representing a summer morning seeing the UI Poveglia Island across the Venetian lagoonCollage perspective representing a summer morning seeing the UI Poveglia Island across the Venetian lagoonCollage perspective representing a summer morning seeing the UI Poveglia Island across the Venetian lagoon
Chart showing the relationship of demand and population of Forest Elephants requiring protecting by the GBN Ministry of ParksChart showing the relationship of demand and population of Forest Elephants requiring protecting by the GBN Ministry of ParksChart showing the relationship of demand and population of Forest Elephants requiring protecting by the GBN Ministry of ParksChart showing the relationship of demand and population of Forest Elephants requiring protecting by the GBN Ministry of Parks
Exploded axonometric drawing depicting growth and an evolving layered infrastructure in Phoenix by student Dellan RaishExploded axonometric drawing depicting growth and an evolving layered infrastructure in Phoenix by student Dellan RaishExploded axonometric drawing depicting growth and an evolving layered infrastructure in Phoenix by student Dellan RaishExploded axonometric drawing depicting growth and an evolving layered infrastructure in Phoenix by student Dellan Raish
Plan of a physical model for a raised urban infrastructure interacting with the existing city by student Salma Osuna LopezPlan of a physical model for a raised urban infrastructure interacting with the existing city by student Salma Osuna LopezPlan of a physical model for a raised urban infrastructure interacting with the existing city by student Salma Osuna LopezPlan of a physical model for a raised urban infrastructure interacting with the existing city by student Salma Osuna Lopez
Multiple perspectives of the two public auditoria located through the vertical exhibition path of the SPCS HQMultiple perspectives of the two public auditoria located through the vertical exhibition path of the SPCS HQMultiple perspectives of the two public auditoria located through the vertical exhibition path of the SPCS HQMultiple perspectives of the two public auditoria located through the vertical exhibition path of the SPCS HQ
Series of exploded layers comprising student Adrisda Maulsi's proposal to infill a golf course with housing in PhoenixSeries of exploded layers comprising student Adrisda Maulsi's proposal to infill a golf course with housing in PhoenixSeries of exploded layers comprising student Adrisda Maulsi's proposal to infill a golf course with housing in PhoenixSeries of exploded layers comprising student Adrisda Maulsi's proposal to infill a golf course with housing in Phoenix
Perspective and diagram of a mountain housing unit utilizing the natural properties of the earth by student Brandon PowellPerspective and diagram of a mountain housing unit utilizing the natural properties of the earth by student Brandon PowellPerspective and diagram of a mountain housing unit utilizing the natural properties of the earth by student Brandon PowellPerspective and diagram of a mountain housing unit utilizing the natural properties of the earth by student Brandon Powell
Study perspective of the spaces shared between volumes in the vertical city by student Brennan RichardsStudy perspective of the spaces shared between volumes in the vertical city by student Brennan RichardsStudy perspective of the spaces shared between volumes in the vertical city by student Brennan RichardsStudy perspective of the spaces shared between volumes in the vertical city by student Brennan Richards
A white and pink striped building at the corner of a street in Hong KongA white and pink striped building at the corner of a street in Hong KongA white and pink striped building at the corner of a street in Hong KongA white and pink striped building at the corner of a street in Hong Kong
Temporal development of an organic infill city proposed by student Brayan Munoz illustrated through shifting elevationsTemporal development of an organic infill city proposed by student Brayan Munoz illustrated through shifting elevationsTemporal development of an organic infill city proposed by student Brayan Munoz illustrated through shifting elevationsTemporal development of an organic infill city proposed by student Brayan Munoz illustrated through shifting elevations
Conceptual image proposing an entire city of housing set within the shadows of Camelback by student Miguel Ceniseros NunezConceptual image proposing an entire city of housing set within the shadows of Camelback by student Miguel Ceniseros NunezConceptual image proposing an entire city of housing set within the shadows of Camelback by student Miguel Ceniseros NunezConceptual image proposing an entire city of housing set within the shadows of Camelback by student Miguel Ceniseros Nunez
Combination of the primary 2D homepage grid from dimensions.comCombination of the primary 2D homepage grid from dimensions.comCombination of the primary 2D homepage grid from dimensions.comCombination of the primary 2D homepage grid from dimensions.com
Urban massing model for a series of infill towers on the unused land around highway interchanges by student Xingyu ZhongUrban massing model for a series of infill towers on the unused land around highway interchanges by student Xingyu ZhongUrban massing model for a series of infill towers on the unused land around highway interchanges by student Xingyu ZhongUrban massing model for a series of infill towers on the unused land around highway interchanges by student Xingyu Zhong
Urban plan drawing of the circular forms contrasting the existing gridded fabric of Phoenix by student Brandon ShiehUrban plan drawing of the circular forms contrasting the existing gridded fabric of Phoenix by student Brandon ShiehUrban plan drawing of the circular forms contrasting the existing gridded fabric of Phoenix by student Brandon ShiehUrban plan drawing of the circular forms contrasting the existing gridded fabric of Phoenix by student Brandon Shieh
Plan drawing illustrating multiple layers of a housing typology and shade canopy above Phoenix by student Yuchen ZhaoPlan drawing illustrating multiple layers of a housing typology and shade canopy above Phoenix by student Yuchen ZhaoPlan drawing illustrating multiple layers of a housing typology and shade canopy above Phoenix by student Yuchen ZhaoPlan drawing illustrating multiple layers of a housing typology and shade canopy above Phoenix by student Yuchen Zhao
Section drawing of multiple housing blocks built above Phoenix's highway infrastructure by student Genevieve MillerSection drawing of multiple housing blocks built above Phoenix's highway infrastructure by student Genevieve MillerSection drawing of multiple housing blocks built above Phoenix's highway infrastructure by student Genevieve MillerSection drawing of multiple housing blocks built above Phoenix's highway infrastructure by student Genevieve Miller
CISL masterplan concept showing the archipelago strategy for allowing the island to morph back into natureCISL masterplan concept showing the archipelago strategy for allowing the island to morph back into natureCISL masterplan concept showing the archipelago strategy for allowing the island to morph back into natureCISL masterplan concept showing the archipelago strategy for allowing the island to morph back into nature
Collection of 2D drawings of assorted Humans from dimensions.comCollection of 2D drawings of assorted Humans from dimensions.comCollection of 2D drawings of assorted Humans from dimensions.comCollection of 2D drawings of assorted Humans from dimensions.com
Concept collage study for a housing built into the contours of the mountains above Saguaro Lake by student Camille MedeirosConcept collage study for a housing built into the contours of the mountains above Saguaro Lake by student Camille MedeirosConcept collage study for a housing built into the contours of the mountains above Saguaro Lake by student Camille MedeirosConcept collage study for a housing built into the contours of the mountains above Saguaro Lake by student Camille Medeiros
Urban plan of an organic network of housing that moves across the warehouse district by student Israel LozoyaUrban plan of an organic network of housing that moves across the warehouse district by student Israel LozoyaUrban plan of an organic network of housing that moves across the warehouse district by student Israel LozoyaUrban plan of an organic network of housing that moves across the warehouse district by student Israel Lozoya