Dr. Bo Wu at the Chang'e-4 Launch Site (IMAGE) The Hong Kong Polytechnic University Caption PolyU's Associate Professor of Department of Land Surveying & Geo-Informatics, Dr Bo Wu, at the Chang'e-4 launch site in Xichang Satellite Launch Center. Credit The Hong Kong Polytechnic University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.