A boat is surrounded by green algae off the coast of Qingdao in eastern China's Shandong province on June 17, 2021. The northern Chinese port city of Qingdao has deployed thousands of boats and powered scoops to deal with a massive algae bloom that is threatening sea life, tourism and water transport. The thick layer of plants that has coated waters and clogged beaches appeared in june and is reportedly the heaviest on record. (Chinatopix via AP)