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One of the large crates used for transporting elephants stands outside the elephant barn of the Woodland Park Zoo on April 8, 2015.Seattleís Woodland Park Zoo elephants are expected to leave  the only home theyíve known for decades and head southeast on a 2,000 mile journey to the Oklahoma City Zoo on Wednesday, April 15. Locked in individual windowless metal crates secured on a flatbed trailer there will be no outside breaks for Chai, 36 or Bamboo, 48, until they arrive an estimated 35-40 hours later. (© Karen Ducey Photography)