Mr. C.M. Shun, Director of the Observatory, as accompanied by Mr. P.W. Chan, Senior Scientific Officer, visited the Middle South Regional Air Traffic Management Bureau, Civil Aviation Administration of China in Guangzhou on 14 June.  He met with Mr. Zhang Jian, the Director of the Bureau, and discussed with Mr. Chen Suijun, Head of Meteorology Division, and his colleagues, reviewing the work progress of the Pearl River Delta Aviation Meteorology Working Group and exchanging views on future collaboration in such areas as numerical weather prediction and meteorological instrumentation.  He also visited the Meteorological Centre of the Middle South Regional Air Traffic Management Bureau located at the Baiyun Airport to understand its daily operation.