Wallenda Grand Canyon

June 21, 2013 - 3:33 AM
A large crowd watches as high wire performer Nik Wallenda walks across a wire as he practices Tuesday, June 18, 2013 in Sarasota, Fla. Wallenda, a seventh generation high-wire walker, will attempt to walk across the Grand Canyon on Sunday, June 23, 2013. (AP Photo/Chris O'Meara)