Updated: April 19, 2011 at 11:52 AM

One year anniversary of BP oil spill (21 images)

Tourists and fishermen have begun to return to Grand Isle a year after the explosion of the Deepwater Horizon. This collection takes a look at Louisiana today, and some of the most moving images following the BP oil spill disaster.

Soaked in oil, a seabird lies dead in the surf on Elmer's Island, Louisiana, May 21, 2010. Oil began washing up on the beaches and marshes of Southern Louisiana after the explosion of the BP Deepwater Horizon oil rig a month ago. UPI/A.J. Sisco

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U.S. President Barack Obama picks up balls of tar while touring the beach on May 28, 2010 in Port Fourchon, Louisiana. The oil spill resulting from the Deepwater Horizon disaster now officially ranks as the worst in U.S. history. UPI/Win McNamee/Pool

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Local residents line the road as U.S. President Barack Obama's motorcade drives to the Coast Guard station on May 28, 2010 in Grand Isle, Louisiana. The oil spill resulting from the Deepwater Horizon disaster now officially ranks as the worst in U.S. history. UPI/Win McNamee/Pool

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BP workers use shovels to clean oil from a beach at Port Fourchon, Louisiana, May 24, 2010. Oil has been washing ashore on the coast of Louisiana for the past several days as a result of the BP Deepwater Horizon oil rig explosion April 20. UPI/A.J. Sisco

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