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Ancient city's LiDAR scans reveal as many buildings as Manhattan
When researchers surveyed the ruins of a Purépecha Empire city in Mexico the old-fashioned way a decade ago, it took them two seasons to explore two square kilometres. Good thing they decided to use LiDAR, because the city called Angamuco turned out bigger than they previously thought. LiDAR gave the researchers the power to see underneath the lava that covers Angamuco. Thanks to the laser technology, they now know that the city occupied 26 square kilometers of land instead of 13 square kilometers. Colorado State University archaeologist Chris Fisher is presenting that finding and all the latest info on his team's study at the ongoing American Association for the Advancement of Science conference in Austin.
