Cloud shrouded Xixabangma, a 26,293-foot peak, overlooks the ice core drill site on the col of the Dasuopu Glacier along the southern margin of the Tibetan Plateau. Photo by Lonnie G. Thompson (DAS-A.jpg)

 

Yaks were used to carry the ice core shipping boxes, each containing 6 one-meter long core sections, from the ice edge to the base camp eight miles away. Photo by Lonnie G. Thompson (DAS-B.jpg)
 

A one meter-long section of ice core just retrieved from a depth of 42 meters. Photo by Lonnie G. Thompson (DAS-C.jpg)
 

Xixabangma, a 26,293-foot peak, is in the background with the drilling dome on the col of the Dasuopu Glacier in the foreground. The dome protected the ice core drilling and processing operations from the elements so that work proceeded regardless of weather conditions. Photo by Vladimir Mikhalenko (DAS-D.jpg)
 
(DAS-E.jpg)
Xixabangma, a 26,293-foot peak, is illuminated by the sun with the flat col of the Dasuopu Glacier in the shadows as the sun is setting. Photo by Lonnie G. Thompson (DAS-E.jpg)

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