Floating cities could ease the world’s housing crunch, the UN says
Published 6 Apr 2019, 20:15 BST

In this floating city concept, a flexible, buoyant skirt would accommodate food production, boat docks, wind-breaks, and gathering spaces.
Photograph by Illustration by OCEANIX/BIG-Bjarke Ingels Group
In this concept, residents would grow their own food in daylit farms.
Photograph by Illustration by OCEANIX/BIG-Bjarke Ingels Group
Designers say the cities would be site-specific and responsive to social, political, environmental, and economic aspects of each location.
Photograph by Illustration by OCEANIX/BIG-Bjarke Ingels Group
In this design envisioned for an African city, community spaces are stressed.
Photograph by Illustration by OCEANIX/BIG-Bjarke Ingels Group
This concept shows a possible application in Northern Europe.
Photograph by Illustration by OCEANIX/BIG-Bjarke Ingels Group
This design is aimed at affordable student housing for Denmark.
Photograph by Illustration by BIG-Bjarke Ingels Group