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Niagara Falls tightrope walk: Nik Wallenda to attempt 1st highwire crossing above falls | Daily Mail Online
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Nik Wallenda's Niagara Falls Tightrope Stunt Adds to Long History of Crazy Wire Walkers | Condé Nast Traveler
Tightrope walker Nik Wallenda becomes first man to cross Niagara Falls on high wire - World News - Mirror Online
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