This photo combination shows what the Natural Arch at Valley of Fire State Park near Las Vegas looked like before collapsed, left, and after, right. Rangers at Valley of Fire State Park say the Natural Arch appear to have been claimed by forces that will eventually destroy about 300 others in the park: gravity and erosion. (AP Photo/Las Vegas Review-Journal, Don Davis and Jeff Scheid)

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Sandstone arch at southern Nevada park collapses

• By ncs-import
• May 29, 2010