Nik Wallenda watches from above as his wife, Erendira Wallenda, hangs by her teeth while suspended from a helicopter above Niagara Falls on June 15, 2017.(Photo/Agencies)
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Nik Wallenda watches from above as his wife, Erendira Wallenda, hangs by her teeth while suspended from a helicopter above Niagara Falls on June 15, 2017.(Photo/Agencies)