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A diamond, weighing 26.62 karats, is on display in Nanning, south China's Guangxi Zhuang Autonomous Region November 27, 2006. The diamond, named Aurora Borealis due to its color and place of discovery, is said to be valued at 40 million yuan (US$5.1 million). The diamond will go on an exhibition tour to other cities in China. (newsphoto)