Previews of China Guardian Hong Kong 2017 Autumn Auctions

People visit the previews of China Guardian Hong Kong 2017 Autumn Auctions in south China's Hong Kong, Sept. 30, 2017. After previews from Sept. 30 to Oct. 1 at Hong Kong Convention and Exhibition Center, the two-day auctions will begin on Oct. 2. (Xinhua/Liu Yun)