London, UK. 22 April 2016. A waving Barack Obama, President of the United States, and David Cameron, Prime Minister, exit number 10 Downing Street during the President's three day state visit to the UK. Credit: Stephen Chung/Alamy Live News

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Size: 3700px × 2462px
Photo credit: © Stephen Chung / Alamy / Afripics
License: Licensed
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Keywords: ., 10, barack, cameron, david, downing, london, minister, number, obama, political, politics, president, prime, state, states, street, united, usa, visit