Seaweed Swamps Qingdao Coastline

QINGDAO, CHINA – JULY 03: (CHINA OUT) Tourists swim in seawater covered by a thick layer of green algae on July 3, 2013 in Qingdao, China. A large quantity of non-poisonous green seaweed, enteromorpha prolifera, hit the Qingdao coast in recent days. More than 20,000 tons of such seaweed has been removed from the city’s beaches. (Photo by ChinaFotoPress/ChinaFotoPress via Getty Images)