London 2012 may have been a triumph for both Team GB and the capital itself, but as it winds down we're already looking ahead. No, not to Rio in 2016 - but beyond! Which city will host the 2020 Olympics? Such a futuristic date requires an appropriately out-there host city, and we have some fabulous examples drawn from the movies. Here, Empire's finest concept artists put together their visions of what a few movie city Olympic bids might look like...
