10 of 38: This aerial photo shows oil in the Gulf of Mexico, eight miles off the Southwest Pass of the Mississippi River at the Southern tip of Louisiana on Wednesday, April 28, 2010. About 42,000 gallons of oil a day are leaking into the Gulf from the blown-out well drilled by the Deepwater Horizon oil rig. Eleven workers are missing and presumed dead. The cause of the explosion has not been determined. ((AP Photo/Gerald Herbert))

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