Workers remove green algae on a beach in Rizhao, East China`s Shandong province June 25, 2008.[Asianewsphoto]

Workers remove green algae on a beach in Rizhao, East China`s Shandong province June 25, 2008. [Asianewsphoto]

Workers remove green algae on a beach in Rizhao, East China`s Shandong province June 25, 2008. [Asianewsphoto]