What made the Mayans so blood thirsty? It may have been because of drought, caused by climate change.
The downfall of the Tang dynasty in China and the Mayans in South America occurred around the same time and both may have disappeared due to climate change. German researcher Gerald Haug studied the incidence of monsoons over the past 16,000 years by looking at geological formations. In New Scientist, Catherine Brahic quotes Haug as saying that the link to the downfall of these two great contemporary civilizations with weather changes "blew me away."
Art credit: gimp-savvy.com
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