Hours after daredevil Nik Wallenda completed his high-stakes walk across the Grand Canyon, New York City's police commissioner denied him his next adventure: A tightrope walk between the Empire State and Chrysler Buildings, The New York Daily News reported.

"I don't think it'd be wise in this city," said NYPD head Ray Kelly. "We have thousands of New Yorkers who certainly can be put at risk."

Wallenda announced his desire to cross between the buildings Sunday, shortly after he crossed the Little Colorado River Gorge on a tight rope, 1,500 feet above the ground, near the Grand Canyon.

The walk between the two New York buildings would be a 1,400-foot drop and would be 4,000 feet in between the buildings, according to NBC New York.

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Related Story: 15 Craziest Daredevil Stunts

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