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(Trent Nelson | The Salt Lake Tribune) Hikers in the Narrows, Zion National Park, Wednesday May 6, 2015. (Photo courtesy of Kenneth Steinsapir) Signs advertising the sale of a 1-mile section of the Zion Narrows Ñ along with a noti... (Trent Nelson | The Salt Lake Tribune) Hikers in the Narrows, Zion National Park, Wednesday May 6, 2015. Trent Nelson | The Salt Lake Tribune Hikers in the Narrows, Zion National Park, Wednesday May 6, 2015. In this May 28, 2016 photo provided by Zion National Park, people gather at the entrance to the Narrow in Zion National Park,... In this May 28, 2016 photo provided by Zion National Park, people gather at the entrance to the Narrow in Zion National Park,... Trent Nelson | The Salt Lake Tribune Hikers in the Narrows, Zion National Park, Wednesday May 6, 2015.