Brown Pelicans fly past booms stainedby the Deepwater Horizon oil spill at Cat Island, Louisiana.
路易斯安那猫岛,褐鹈鹕飞过粘上斑斑石油的围油栏。
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In a trench dug by a University of South Florida Coastal Research Lab team, layers of oil-stained sand light up orange under ultraviolet light. Clean sand appears violet.
Boots worn by University of South Florida graduate student Katie Brusché are stained with yellow-brown tar from the Gulf oil spill, as seen under ultraviolet light in a long-exposure photograph.