Karl Wallenda, 71, walks on a cable 200 feet above the playing field at Veterans Stadium between doubleheader baseball games in Philadelphia, Pa., Monday, May 31, 1976. Wallenda unfurled a bicentennial and American flag from his balancing bar after doing a headstand midway across the 640-foot span steel cable. The walk took 18 minutes. (Зрщещ ин Bill Ingraham/AP Photo)
