A model demonstrates a ring that has been announced as an Open Group winner of the 13th Hong Kong Jewellery Design Competition, held under the theme "Soaring Dragon", in south China's Hong Kong Special Administrative Region, Feb. 7, 2012. Winners of competition were announced Tuesday in Hong Kong at a press conference held by the Hong Kong Trade Development Council (HKTDC) and members of the local jewellery industry. (Xinhua/Wong Pun Keung)