Satellite Archeology

Living on Earth
Mesopotamia is believed to be the birthplace of civilization, but the extent of human settlement in this area is relatively unknown. Archeologists spend a lot of time scouring the ground for clues, but now some enterprising scientists are looking to the skies for help. Professor Jason Ur of Harvard tells host Bruce Gellerman about turning satellite photos into maps showing ancient cities, and why he digs this new technology.
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