This is what London's skyline could look like in 20 years

With more than 200 towers of heights 20 stories or greater planned to be built in London over the next 20 years, the UK's capital city is in for some big visual changes. Architectural visualization firm Hayes Davidson places those planned towers over a current image of London to imagine the future shape of London's… » 2/04/14 9:40am 2/04/14 9:40am