A visitor looks at a painting to be auctioned at China Guardian Hong Kong Autumn Auctions 2019 at a preview exhibition in Beijing, Sept 17, 2019. More than 1,800 items will go under the hammer during this season's auctions at the Hong Kong Convention and Exhibition Center from Oct 5 to 8. Their total value is almost 790 million Hong Kong dollars ($100 million). [Photo/Chinanews.com]