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Group makes 3-D backups of world landmarks
In this photo provided by CyArk, on Monday, Oct. 21, 2013, an image generated by 3D laser scan data, shows a perspective of Chichen Itza, in Mexico. We all know to back up our files and photos, but what about our castles and churches? A nonprofit named CyArk has created digital copies of more than 100 of the world's best-known monuments, mapping Roman ruins, ancient statues, and even an entire island. Now it plans 400 more, with the goal of preserving the world's most important sites against war, wear, and the impact of climate change. (AP Photo/CyArk)

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