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People visit the "Cave Temples of Dunhuang: Buddhist Art on China's Silk Road" exhibition at Getty Center in Los Angeles, the United States on May 6, 2016. The exhibition "Cave Temples of Dunhuang: Buddhist Art on China's Silk Road" opened to public on Saturday. The exhibition will last until September, offering visitors the chance to learn about the art and history of the Mogao Grottoes, which thrived as a Buddhist center in China from the 4th to the 14th centuries. [Photo/Xinhua]