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The Artemis Racing AC72 catamaran, an America's Cup entry from Sweden, lies capsized after turning over during training in San Francisco Bay on Thursday, May 9, 2013, in San Francisco. Artemis Racing said Andrew "Bart" Simpson, an Olympic gold medalist from Great Britain, died after the capsized boat's platform trapped him underwater for about 10 minutes. The Golden Gate Bridge is in the background. (AP Photo/Noah Berger)