CityU research team (IMAGE) City University of Hong Kong Caption Professor Zhu Guangyu (second from left) and Professor Wang Lidai (second from right) and their research team, including Mr Liu Gongyuan (first from right) and Miss Chen Shu (first from left), at CityU. 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.