HONG KONG, June 14, 2016 (Xinhua) -- A visitor walks past exhibits at the Retail Asia Expo 2016 held in Hong Kong Convention and Exhibition Center in Hong Kong, south China, June 14, 2016. With two sub-exhibitions, the Retail Design and In-store Marketing Expo and the Retail Technology Expo, the event will last till June 16. (Xinhua/Ng Wing Kin)