© London News Pictures. 09/06/2012. London, UK. Two helicopters performing stunts during filming at Tower Bridge in London on June 9, 2012.  Both helicopters flew through the gap between the upper walkway and the road of the bridge during the filming, with one of the helicopters painted in the colours of the Union Flag. The Port of London Authority said the helicopters were filming footage for the upcoming Olympic Games. Photo credit: Vickie Flores/LNP
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