7 of 9: In this photo released by Six Flags Marine World, Taj, left, an Asian elephant, Tava, an African elephant and Liz, right, an Asian elephant, are seen enjoying fresh watermelon at Six Flags Marine Worlds elephant encounter in Vallejo, Calif., Tuesday, July 4, 2006. The park distributed whole watermelons to the elephants as part of its special enrichment activities program in highlighting the Fourth of July. With the use of their massive feet, the elephants crushed the watermelon down to small sizes before eating the fruit. Six Flags Marine World is located in Vallejo, Calif., 30 minutes east of San Francisco. (AP Photo / Six Flags Marine World, Dale Arnold)

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