Associated Press
This photo taken Aug. 15, 2011and released by Grand Canyon National Park showing park tourists photographing a park elk as it was seen outside the Thunderbird Lodge, left, on the South Rim of the Grand Canyon in Arizona. People living at and visiting the Grand Canyon decades ago never encountered elk that now regularly create traffic jams, graze on the school’s recreational field and hotel lawns and aren’t too shy to display their power. (AP Photo/Michael Quinn, Grand Canyon National Park)

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