Proposed future London airport would float atop the Thames

While the UK government is contemplating building an airport east of London, a handful of architects have already put forth their visions for an airport within the city limits, looking to the River Thames as the site of the new runways. Architecture firm Gensler imagines a future London airport set atop a series of… » 9/08/12 5:00pm 9/08/12 5:00pm