Preview: Space Archeology

CBS News - Friday, 19 May 2017  (6 days ago)
Locating archeological sites for excavation can be a time-consuming and sometimes futile endeavor. But Sarah Parcak uses a new method that utilizes satellite imagery to find ancient sites that can't be easily found on the ground. Bill Whitaker reports on Sunday, May 21 at 8 p.m. ET/PT.

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