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Dunhuang Located in western China at a critical junction of the Silk Road trading network, Dunhuang was also a center of Buddhist learning, painting, and sculpture as that religion made its way from India to China and beyond. In some 492 caves, carved out of the rock between about 400 and 1400 C.E., a remarkable gallery of Buddhist art has been preserved, of which this painting is but one example. (Steve Vidler/© Prisma Bildagentur AG/Alamy)