Group Photo (IMAGE) The University of Hong Kong Caption The HKU Mechanical Engineering research team. (Front) Professor Philip C.Y. Chow, (back from left) Mr Yu Guo, Dr Zhen Wang and Mr Xianzhao Liu Credit The University of Hong Kong Usage Restrictions n/a License Original 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.