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A man floating in the waters filled with algae at a beach in Qingdao, in eastern China's Shandong province. The algal phenomenon, an annual occurrence in Qingdao, is usually caused by an abundance of nutrients in the water, especially phosphorus, although the triggers for the enormous blooms which began to appear in the Yellow Sea in 2007 remain uncertain

AFP

A man floats in the waters filled with algae at a beach in Qingdao, in eastern China’s Shandong province. The algal phenomenon, an annual occurrence in Qingdao, is usually caused by an abundance of nutrients in the water, especially phosphorus

A papier mache figure for carnival floats depicting Russian President Putin is pictured during preparations for the upcoming Rose Monday carnival parade in Mainz...A papier mache figure for carnival floats depicting Russian President Vladimir Putin is pictured during preparations for the upcoming Rose Monday carnival parade in Mainz, February 10, 2015.

Ralph Orlowski /Reuters

A papier mache figure for carnival floats depicting Russian President Vladimir Putin is pictured during preparations for the upcoming Rose Monday carnival parade in Mainz on Tuesday

The wreck of the Costa Concordia cruise ship, which was hauled upright in September but stil partially submerged, is slowly being refloated near the port of Giglio Island, Italy, 14 July 2014 in one of the biggest maritime s The Concordia hit a reef and partly capsized on 13 January 2012, after being steered dangerously close to Giglio. Thirty-two of the 4,229 people onboard died in the accident.

Claudio Giovannini/EPA

The wreck of the Costa Concordia cruise ship, which was hauled upright in September but remained partially submerged, is slowly being refloated near the port of Giglio Island, Italy, on Monday. In one of the biggest maritime disasters, the vessel hit a reef and partly capsized on 13 January 2012, after being steered dangerously close to the island.

The Carnival parade float satirizing FIFA under the slogan 'The whole truth' pictured on Tuesday in Mainz, Germany. The subject will show that the 'high-gloss facade World Cup' which is one side of the business. That the world football organization also has another side with corruption of high officials and by a multi-billion dollar power. The Mainz Carnival parade will be held on Rose Monday, on March 3rd, and is known for poking fun at politicians and celebrities.

Thomas Lohnes/Getty Images

A Mainz Carnival parade float satirises Fifa, the football governing body. The annual parade in the German city will be held on Rose Monday, March 3, and is known for poking fun at politicians and celebrities

Workers install a float, with a large mannequin figure depicting the King of the Carnival during preparations for the 130th Nice carnival parade, Thursday, Feb. 13 , 2013, in Nice, southeastern France.  The 130th Nice Carnival runs from February 14 until March 4 and will celebrate the theme "King of gastronomy".

Lionel Cironneau/AP

Workers install a large mannequin depicting the King of the Carnival during preparations for the 130th Nice Carnival in southeastern France