A visitor looks at handwritten dinner menus prepared by Chinese artist Zhang Daqian, during the public viewing of Christie's Asian Art Week in New York, the United States, on March 16, 2018. A collection of meticulous handwritten dinner menus prepared by Zhang Daqian, one of the best-known Chinese artists of the 20th century, will be for sale at Christie's in New York on Tuesday. These delicious artefacts are from the collection of Min Chi Hsu, Zhang's private chef from 1977-1979. (Xinhua/Wang Ying)