Double Arch is a famous close-set pair of arches, one of the more impressive features of Arches National Park in Utah, USA. The area was used as a backdrop for the opening scene of Indiana Jones and the Last Crusade, in which the arches are briefly visible. However, the cave shown in the movie does not exist. Double Arch was formed differently than most of the arches in Arches National Park. It is known as a Pothole Arch - it formed by water erosion from above rather than more typical erosion from the side.
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