History Through Timelines by HistoryMole.com. Searchable historical themes and world events from the last two thousand years.
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Thomas C. Thompson's curator insight,
June 18, 2013 1:25 PM
Deforestation? Overpopulation? Topsoil Degradation? Erosion? Sadly, Angkor's extended metropolis had all of these problems according to new findings using airborne radar (LIDAR) by NASA. |
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