Director of the Hong Kong Observatory, Mr Shun Chi-ming (4th from right), Chairman of the Executive Committee of Co-WIN, Mr Lo Cheuk-wai (4th from left), Associate Professor of the Department of Applied Physics of the Hong Kong Polytechnic University, Dr Ong Chung-wo (3rd from right), and members of the Executive Committee of Co-WIN officiating at the celebration ceremony of the fourth anniversary of Co-WIN.   Close