Image credit: Angkor Wat (Workbook Stock/Thomas Kokta/Getty Images)By Sarah Dowdey
Discovery News
It only takes a quick Google image search to understand why Angkor, the Khmer empire's ancient seat, makes plenty of "must-see" travel lists. Its ruined temple complexes pop out through the forests, and its sprawling reservoirs offer a testament to the city's impressive engineering.
When I podcasted on Angkor a while back, my co-host and I talked a bit about the possible role of environmental degradation in the city's downfall. Deforestation may have caused silting, something that could damage the complex waterworks that kept the city running so efficiently.
Another hypothesis, this one from National Geographic's Richard Stone, centers more on plain old environmental bad luck: an El Niño cycle beginning exactly when the delicate water management system was showing its age. Deprived of the mechanical wizardry that kept dramatic seasonal changes in check, the city may not have been equipped to face a long dry period.
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