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Swallowtail butterfly alights on a flower in Cartago, Costa Rica
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| Dion breaks a wooden board in his first public exhibition of Tae Kwon Doe. The impact even knocked off his belt. |  |
| An interpretive guide at Ohrid World Heritage Site explains how long ago monks hid in a cave along Ohrid Lake. |  |
| The Historic Center of Vienna World Heritage Site captures the power of the sun. |  |
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May 2, 2010
