
A model (R) presents jewellery during a press conference for Christie's Hong Kong 2017 Spring Auction in Hong Kong, south China, May 10, 2017. The auction will be held from May 26 to 31 in Hong Kong. (Xinhua/Li Peng)

A model (R) presents jewellery during a press conference for Christie's Hong Kong 2017 Spring Auction in Hong Kong, south China, May 10, 2017. The auction will be held from May 26 to 31 in Hong Kong. (Xinhua/Li Peng)