- 200-Year Drought Doomed Indus Valley Civilization[March 2014] http://www.scientificamerican.com/article/200-year-drought-doomed-indus-valley-civilization/ 17 comments india
- 200-Year Drought Doomed Indus Valley Civilization: A monsoon hiatus that began 4,200 years ago parallels a dry spell that led to the collapse of Bronze-Age civilizations in Egypt, Greece and Mesopotamia http://www.scientificamerican.com/article/200-year-drought-doomed-indus-valley-civilization/ 31 comments history
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