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Sunday, July 5, 2009 |
Photo: Japan's Ancient Underwater "Pyramid" Mystifies ScholarsThese structures are the ruins of an ancient city that sank beneath the waves 2,000 years ago, according to a Japanese professor who has studied the site for 15 years. But other experts who have dived there are just as convinced that the site is almost entirely natural. Photograph by Robert Schoch
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ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAYWhat's Your Green Idea?
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