Photo taken on Nov 16, 2014 shows the scene of the 16th China Hi-Tech Fair (CHTF) in Shenzhen, south China’s Guangdong province. Over 3,000 exhibitors from over 50 countries and regions took part in the CHTF, which opened on Nov 16.[Photo/Xinhua]

A visitor experiences a 3D fitting mirror at the 16th China Hi-Tech Fair (CHTF) in Shenzhen, south China’s Guangdong province, Nov 16, 2014. Over 3,000 exhibitors from over 50 countries and regions took part in the CHTF, which opened on Nov 16.[Photo/Xinhua]