World's tallest tower, the Tokyo Sky Tree, opens
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Credit: YOSHIKAZU TSUNO/AFP/GettyImages
A man displays his hand-made "Tokyo Sky Tree" cap at the foot of the world's tallest radio tower, the Tokyo Sky Tree in Tokyo on May 22, 2012 as it opens to the public. Hundreds of people up to enter the 634-meter tower and its large shopping mall. AFP PHOTO / Yoshikazu TSUNO
