Aerial footage of oil polluting the Prince William Sound after the Exxon Valdez oil spill in Alaska. Clean up crews pull dead wildlife -- birds and otters -- from the water covered in oil. Sea otters are cleaned at a rescue facility. Floating booms in the water to contain the spill. Workers clean the beaches. Interior of the Greenpeace office. The Valdez tanker in the water. Various shots of the port and harbor. Mayor John Devens gives a press conference.