The Secretary for the Environment, Mr Wong Kam-sing (centre); the Director of Agriculture, Fisheries and Conservation, Mr Alan Wong (second left); the Government Property Administrator, Mr Alan Siu Yu-bun(second right); Bureau Member of the Global Geoparks Network, Professor Nickolas Zouros (first left); and representative of the Chinese Geoparks Network, Professor Tian Mingzhong (first right), today (July 15) officiate at the opening ceremony of the Volcano Discovery Centre of the Hong Kong Global Geopark of China.