Walking a tight rope

Updated: Jun 16, 2012 12:06 IST

Nik Wallenda pumps his fist as he completes his 1,800 feet-long tightrope walk over the brink of the Niagara Falls in Ontario. AP/The Canadian Press, Aaron Vincent Elkaim
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Nik Wallenda pumps his fist as he completes his 1,800 feet-long tightrope walk over the brink of the Niagara Falls in Ontario. AP/The Canadian Press, Aaron Vincent Elkaim

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