A child plays in seawater covered by a thick layer of green algae at a beach on July 17, 2011 in Qingdao, Shandong Province of China. A large area of green seaweed called enteromorpha prolifera, has approached the Qingdao coast. The algae, is non-poisonous and harmless for water quality but may threaten marine life and coastline tourism.





A Chinese man swims along the algae-filled coastline of Qingdao, in eastern China's Shandong province on July 17, 2011. Green algae continues to spread in waters off China's east coastline and although not poisonous, it can hinder the fishing industry and tourism in affected areas.



A view of the algae-filled coastline of Qingdao, Shandong province July 15, 2011. Picture taken July 15, 2011.



Residents walk amidst the algae-filled coastline of Qingdao, Shandong province July 15, 2011. Picture taken July 15, 2011.



A boy swims in the algae-filled coastline of Qingdao, Shandong province July 15, 2011. Picture taken July 15, 2011.



A fisherman looks at her algae-filled fish pond near the coastline of Qingdao, Shandong province July 14, 2011.[/spoiler]