A visitor visits a preview exhibition of Christie's Hong Kong 2017 Autumn Auction in Hong Kong, south China, Sept. 28, 2017. The auction will be held from Nov. 24 to 29 in Hong Kong. (Xinhua/Liu Yun)
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A visitor visits a preview exhibition of Christie's Hong Kong 2017 Autumn Auction in Hong Kong, south China, Sept. 28, 2017. The auction will be held from Nov. 24 to 29 in Hong Kong. (Xinhua/Liu Yun)
