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JGF-rock art-Great Gallery-US-UT-3039.jpg
The Great Gallery is a rock art panel of Barrier Canyon-style pictographs and petroglyphs in remote Horseshoe Canyon in Canyonlands National Park in Utah.   The complete panel is about 200 feet (61 m) long and 15 feet (4.6 m) high with the largest figure 9 feet tall.  It was painted over a period from 1500 to 4000 or more years ago.