drone shot of alcatraz island
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A drone, a robot and some determined researchers just found areas thought lost at Alcatraz

Armed with robots, lasers, and specialized drones, Pete Kelsey and his team 3D-mapped all of Alcatraz Island, gaining access to areas previously off limits. Over the course of 13 months, the team unveiled details around the famous 1962 prison escape and created new models that could help strengthen the island against threats from climate change.

2:17 • Source: CNN
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drone shot of alcatraz island
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