This Feb. 15, 2010 photo shows a sign which explains the significance and history of the thousands of petroglyphs _ rock carvings _ found in Hawaii Volcanoes National Park on the Big Island in Hawaii.... more 
This Feb. 15, 2010 photo shows a sign which explains the significance and history of the thousands of petroglyphs _ rock carvings _ found in Hawaii Volcanoes National Park on the Big Island in Hawaii. The petroglyphs are easily accessible to visitors, located along a trail in the park at the Puuloa site. less 
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Associated Press | Photo By Beth Harpaz
Sat, Jan 8, 2011 4:17 PM EST