Contact: Kevin Jiang
University of Chicago Medical Center
Caption: Thame village at 3,800 m in the Khumbu District of Nepal is the home of many outstanding Sherpa climbers and was a site of data collection for the present study. The yak in the foreground came from the Tibet Autonomous Region loaded with agricultural and trade goods; there is a flourishing cross-border trade in this area.
Credit: Cynthia Beall
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Related news release: The genetic origins of high-altitude adaptations in Tibetans