Associated Press
In this Wednesday, April 4, 2012 photo, pearls are displayed at the Pearl Museum in Ras al-Khaimah, United Arab Emirates. Long before the discovery of oil transformed the Gulf, the region's pearl divers were a mainstay of the economy. Their way of life, however, also was changed forever after Japanese researchers learned how to grow cultured pearls in 1930s. Now a collaboration between pearl traders in Japan and the United Arab Emirates had brought oyster farming to the UAE for the first time. (AP Photo/Kamran Jebreili)

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