Architects propose a floating airport for London

Architects propose a floating 

Architectural firm Gensler is proposing the construction of a floating airport on the surface of London's River Thames Estuary. Dubbed the London Britannia Airport, its concourse would sit in the center of the Thames Estuary, surrounded by runways that float, and tethered to the seabed. The primary access route would be a new high-speed underground railway offering direct links to London and Europe. It's a hugely ambitious project with an estimated cost of £50 billion (around $80 billion). Floating airports and runways have been proposed in the past across the world, but few have made it past the planning phase, and those that did have since been dismantled.

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