wfgodot
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Lengthy-ish, interesting article with pictures at National Geographic link:
Scientists Explain Mystery Behind Sand Dune That Swallowed Boy
Decomposing trees and homes may be responsible for the sand dune hole that swallowed a boy in June 2013.
Scientists Explain Mystery Behind Sand Dune That Swallowed Boy
Decomposing trees and homes may be responsible for the sand dune hole that swallowed a boy in June 2013.