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"A beloved hippopotamus has died in agonizing pain at a zoo in Germany after swallowing a tennis ball he apparently thought was an apple.Maikel, 39, col..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.opposingviews.com/i/society/animal-rights/hippopotamus-german-zoo-dies-after-swallowing-tennis-ball-he-mistook-apple>