Professor Yang Yong (IMAGE) City University of Hong Kong Caption Professor Yang Yong from Department of Mechanical Engineering, City University of Hong Kong. Credit City University of Hong Kong Usage Restrictions Image must be used with appropriate caption and credit. 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.