Wednesday 9 January 2013

ထူးဆန္းေသာလွိုဳင္ဂူမ်ား





Huge entrance on the Khumbu Glacier in Nepal. Note figure in red in distance. Scalloped walls indicate erosion by air currents.




This passage under the Ngozumpa glacier reveals a classic phreatic-vadose transition.












Victoria Land, Antarctica






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