Tropical Biodiversity - Santarém - Pará - Brasil
Sunday, February 10, 2008
Pebbles on sand, continued
Geological formations come in all seizes. It may have taken millions of years to form the Grand Canyon, but it only took a few hours of rainfall on that truckload of sand to form these neat little monuments with the protecting pebbles at the top.
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Geological formations come in all seizes. It may have taken millions of years to form the Grand Canyon, but it only took a few hours of rainfall on that truckload of sand to form these neat little monuments with the protecting pebbles at the top.
No comments:
Post a Comment