What Took Down These Three Ancient Civilizations?

When it comes to piecing together what happened to civilizations that no longer exist, it can be challenging to solve the mystery. But research into Angkor, the Akkadian Empire, and even the Norse of Greenland, is helping us see that these three groups of people separated through time and geography mat have all met their ends through a common enemy - Mother Nature.

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Sources:

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Images

https://www.gettyimages.com
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https://en.wikipedia.org/wiki/File:Map-of-southeast-asia_900_CE.svg
https://commons.wikimedia.org/wiki/File:2012-10_US_Tour_36_-_Roadtrip_to_L.A._(7975473194).jpg
https://www.nsf.gov/news/mmg/media/images/angkor1_h1.jpg
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https://en.wikipedia.org/wiki/File:The_Frozen_Thames_1677.jpg
https://commons.wikimedia.org/wiki/File:Greenland_scenery.jpg
https://commons.wikimedia.org/wiki/File:Hvalsey_Church.jpg