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Template:POTD/2008-12-17
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2008 December
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2008 December 16
2008 December 18
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Picture of the day
Dead trees in the terraces of Mammoth Hot Springs, one of the
geothermal areas of Yellowstone National Park
,
Wyoming
, United States. These trees grew during inactivity of the mineral-rich
hot springs
, and were killed when
calcium carbonate
carried by spring water clogged the
vascular systems
of the trees. The same process also effectively preserves the trees by preventing decay.
Photo credit:
Thegreenj
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