A model presents a green jade bracelet, which is expected to fetch up to 100 million HK dollars (around 13 million U.S. dollars) in Hong Kong, south China, March 20, 2018. Sotheby's Hong Kong Chinese Works of Art Spring Sale Series 2018 will take place on April 3 at the Hong Kong Convention and Exhibition Centre. The series of sales will offer about 300 items with a total estimate of nearly 730 million HK dollars (94.9 million U.S. dollars).(Xinhua/Lui Siu Wai)