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In the Atlantic Ocean off the Florida Keys, Jim Zachos of the Univ of California, Santa Cruz, holds a replica of a core sample from the Atlantic Ocean sea floor. The core shows the PETM period.
Adelie penguins playing around on the sea shore of the Antarctic Peninsula.
Aerial of horse and rider along beach front.
The setting sun lights up a "rauk," a limestone formation in the waters off Gotland, an island of Sweden.
Aerial of horse and rider along beach front.
Aerial of horse and rider along beach front.
Aerial of horse and rider along beach front.
See photo in original gallery.
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