Collecting masks on shore (IMAGE) City University of Hong Kong Caption Dr Henry He Yuhe, Assistant Professor in CityU’s School of Energy and Environment and a member of the State Key Laboratory of Marine Pollution, collects discarded masks from a beach with PhD student Sun Jiaji, the first author of the paper. 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.