YANTAI, July 9, 2016 (Xinhua) -- Green algae are filled with seawater in Haiyang City, east China's Shandong Province, July 9, 2016. Green algae, or enteromorpha prolifera, struck the coast of Haiyang due to wind direction and tidal current. The clear-up work is underway. (Xinhua/Shen Jizhong)