A model presents jewellery during the media preview of Tiancheng International's Jewellery and Jadeite Spring Auction 2016 in Hong Kong, south China, May 19, 2016. The auction will be held in Hong Kong on June 12, presenting 280 rare items in total of about 220 million Hong Kong dollars (28.3 million U.S. dollars). (Xinhua/Li Peng)
