The River Re-Written
World Business Chicago Horizon Lines Competition 2026 /
Team members: Neil Reindel, Emily Preece, Jenna Bracaglia, Caleb Kwok, Rafi Alam
Team members: Neil Reindel, Emily Preece, Jenna Bracaglia, Caleb Kwok, Rafi Alam
THE RIVER, REWRITTEN
A Continuous World’s Fair
Chicago is a city whose life is defined by its relationship with water.
The lake is a coast providing resources for the city.
The river is a functional thread where the city spreads to the rest of the nation.
Chicago has always advanced through acts of renewal and rethinking, shaping the city’s trajectory and expanding what it could become.
The Chicago flag represents the history and life of the city.
Two defining bodies of water, and stars highlighting two ways of seeing the city: world fairs imagining the future, and stars signifying past accomplishments.
One of the two ways is temporary, but impactful: projecting possibilities for living.
The other is permanent, marking transformation in how the city lives.
What happens when they become the same?
What if a World’s Fair did not end?
What if it was not a temporary event that arrives, occupies, and disappears, but instead remains embedded within the city it transformed?
What if the city was not transformed by monumental acts, but continually from the water itself?
In 2045, Chicago answered this with the Blue Expo. It unfolded along the Chicago River, extending across 22 miles into the neighborhoods that define the city’s daily life.
This fair was not contained within boundaries.
It was a system written into the city itself.
The Blue Expo transformed the Chicago River into a continuous civic system. Instead of isolated pavilions concentrated on a single site, it established an interconnected field of environments, distributing investment across neighborhoods.
As this system took shape, a new star emerged.
Chicago’s stars have always recorded transformation:
Resettle: Fort Dearborn established ground along the river.
Rebuild: The Great Chicago Fire demanded reinvention.
Reimagine: The World’s Columbian Exposition projected a new urban future.
Reinvent: A Century of Progress restored belief in innovation.
Each became a star on the flag signifying not just what happened, but what changed.
Now, a new act emerges:
Rewrite.
The blue star marks a point of convergence where water and fair come together at the river.
This is not a monument to a finished event, but a marker of an ongoing condition.
THE RIVER, REWRITTEN begins with a simple premise: water defines the city, and a World’s Fair can become permanent.
We did not build for a moment.
We built for continuity.
We did not design for spectacle.
We designed for ecological performance.
We did not create an event to reminisce.
We created a cycle to live within.
At its core, the project reframes water as the primary medium of the city’s future.
The river becomes a living machine where a civic ecology filters, retains, cultivates, and regenerates water across its length. These processes are meant to be visible and accessible, a place to participate and learn.
This is infrastructure as laboratory: a distributed system where microbial ecologies, plant systems, and sediment flow act as agents in addressing the global water crisis. Each segment contributes to a network of research, testing, and adaptation.
Water is no longer hidden infrastructure.
It is a shared civic process.
This was not only a fair. The World’s Fair became the catalyst.
A living laboratory for people from around the world to come and observe.
It is a framework and model for how cities can address global water challenges where infrastructure, ecology, and public life operate as one.
In the leadup to the fair, the river ecosystem was rewritten.
The fair was not something to passively observe.
It was something to engage.
For the first time, an exposition operated as a functioning urban system. Visitors moved through environments in motion to see where water was filtered, landscapes evolved, and systems responded in real time.
While the event concluded, the fair did not end.
It wasn’t dismantled, because nothing was designed to be temporary.
It continued to perform a function.
The city was the main attraction, and the fair brought people to see Chicago redefined.
By 2050, its effects are embedded across Chicago.
Access to the river no longer divides the city. It connects, organizes, and supports it.
Neighborhoods once overlooked are now central to its identity.
Individually, each site responds to local needs.
Collectively, they operate as a unified system.
The river is no longer a limited edge.
It is the civic spine.
Urban agriculture integrates with water systems. Public space becomes ecological infrastructure. Landscapes absorb, adapt, and sustain daily life.
A sequence of ecological zones structures this transformation. Constructed wetlands, settling basins, productive landscapes, and floating habitats operate together as a continuous system.
Each zone performs environmentally while supporting public life.
Water is cleaned.
Food is grown.
Data is generated.
Communities gather.
Each site is both infrastructure and experiment. Each neighborhood becomes part of a global water laboratory.
The system does not imitate nature.
It enables it.
What distinguishes THE RIVER, REWRITTEN is its structure:
Linear rather than centralized.
Distributed rather than contained.
Continuous rather than temporary.
It aligns water, ecology, infrastructure, and civic life into a single evolving system.
Today, the river performs.
It filters.
It regenerates.
It connects.
It teaches.
It operates across scales—from microbial systems to metropolitan networks—supporting recreation, cultivation, research, and exchange.
It is not just infrastructure.
It unites Chicago to the greater waterways that have defined the city.
A Continuous World’s Fair
Chicago is a city whose life is defined by its relationship with water.
The lake is a coast providing resources for the city.
The river is a functional thread where the city spreads to the rest of the nation.
Chicago has always advanced through acts of renewal and rethinking, shaping the city’s trajectory and expanding what it could become.
The Chicago flag represents the history and life of the city.
Two defining bodies of water, and stars highlighting two ways of seeing the city: world fairs imagining the future, and stars signifying past accomplishments.
One of the two ways is temporary, but impactful: projecting possibilities for living.
The other is permanent, marking transformation in how the city lives.
What happens when they become the same?
What if a World’s Fair did not end?
What if it was not a temporary event that arrives, occupies, and disappears, but instead remains embedded within the city it transformed?
What if the city was not transformed by monumental acts, but continually from the water itself?
In 2045, Chicago answered this with the Blue Expo. It unfolded along the Chicago River, extending across 22 miles into the neighborhoods that define the city’s daily life.
This fair was not contained within boundaries.
It was a system written into the city itself.
The Blue Expo transformed the Chicago River into a continuous civic system. Instead of isolated pavilions concentrated on a single site, it established an interconnected field of environments, distributing investment across neighborhoods.
As this system took shape, a new star emerged.
Chicago’s stars have always recorded transformation:
Resettle: Fort Dearborn established ground along the river.
Rebuild: The Great Chicago Fire demanded reinvention.
Reimagine: The World’s Columbian Exposition projected a new urban future.
Reinvent: A Century of Progress restored belief in innovation.
Each became a star on the flag signifying not just what happened, but what changed.
Now, a new act emerges:
Rewrite.
The blue star marks a point of convergence where water and fair come together at the river.
This is not a monument to a finished event, but a marker of an ongoing condition.
THE RIVER, REWRITTEN begins with a simple premise: water defines the city, and a World’s Fair can become permanent.
We did not build for a moment.
We built for continuity.
We did not design for spectacle.
We designed for ecological performance.
We did not create an event to reminisce.
We created a cycle to live within.
At its core, the project reframes water as the primary medium of the city’s future.
The river becomes a living machine where a civic ecology filters, retains, cultivates, and regenerates water across its length. These processes are meant to be visible and accessible, a place to participate and learn.
This is infrastructure as laboratory: a distributed system where microbial ecologies, plant systems, and sediment flow act as agents in addressing the global water crisis. Each segment contributes to a network of research, testing, and adaptation.
Water is no longer hidden infrastructure.
It is a shared civic process.
This was not only a fair. The World’s Fair became the catalyst.
A living laboratory for people from around the world to come and observe.
It is a framework and model for how cities can address global water challenges where infrastructure, ecology, and public life operate as one.
In the leadup to the fair, the river ecosystem was rewritten.
The fair was not something to passively observe.
It was something to engage.
For the first time, an exposition operated as a functioning urban system. Visitors moved through environments in motion to see where water was filtered, landscapes evolved, and systems responded in real time.
While the event concluded, the fair did not end.
It wasn’t dismantled, because nothing was designed to be temporary.
It continued to perform a function.
The city was the main attraction, and the fair brought people to see Chicago redefined.
By 2050, its effects are embedded across Chicago.
Access to the river no longer divides the city. It connects, organizes, and supports it.
Neighborhoods once overlooked are now central to its identity.
Individually, each site responds to local needs.
Collectively, they operate as a unified system.
The river is no longer a limited edge.
It is the civic spine.
Urban agriculture integrates with water systems. Public space becomes ecological infrastructure. Landscapes absorb, adapt, and sustain daily life.
A sequence of ecological zones structures this transformation. Constructed wetlands, settling basins, productive landscapes, and floating habitats operate together as a continuous system.
Each zone performs environmentally while supporting public life.
Water is cleaned.
Food is grown.
Data is generated.
Communities gather.
Each site is both infrastructure and experiment. Each neighborhood becomes part of a global water laboratory.
The system does not imitate nature.
It enables it.
What distinguishes THE RIVER, REWRITTEN is its structure:
Linear rather than centralized.
Distributed rather than contained.
Continuous rather than temporary.
It aligns water, ecology, infrastructure, and civic life into a single evolving system.
Today, the river performs.
It filters.
It regenerates.
It connects.
It teaches.
It operates across scales—from microbial systems to metropolitan networks—supporting recreation, cultivation, research, and exchange.
It is not just infrastructure.
It unites Chicago to the greater waterways that have defined the city.