(IMAGE) City University of Hong Kong Caption 香港城大能源及環境學院副教授吳永豪博士(右)和博士後研究員吳昊博士(左)。 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.