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Wallenda to walk across the Grand Canyon

Posted at: 06/21/2013 6:44 AM



Daredevil Nik Wallenda will walk a quarter-mile on a steel cable across the Grand Canyon this weekend.

Wallenda will not have a tether or safety net – only the Colorado River 1,500 feet below him.

The high-wire act should take between 20 and 30 minutes through tough conditions like heat and wind.

Wallenda says concentration and positive thinking are the secrets to his success.

You can watch him conquer the Grand Canyon on Sunday at 8 p.m. on The Discovery Channel.