Three Gorges region of the Yangtze River and its upstream area

A fisherman fills his cupped palms with water from the algae-filled Chaohu Lake in Hefei, Anhui province, June 16, 2009. The country has invested 51 billion yuan towards the construction of 2,712 projects for the treatment of eight rivers and lakes including Huaihe River, Haihe River, Liaohe River, Chaohu Lake, Dianchi Lake, Songhua River, the Three Gorges region of the Yangtze River and its upstream area, Xinhua News Agency reported. Picture taken June 16, 2009

A fisherman rows a boat in the algae-filled Chaohu Lake in Hefei, Anhui province, June 16, 2009. The country has invested 51 billion yuan towards the construction of 2,712 projects for the treatment of eight rivers and lakes including Huaihe River, Haihe River, Liaohe River, Chaohu Lake, Dianchi Lake, Songhua River, the Three Gorges region of the Yangtze River and its upstream area, Xinhua News Agency reported. Picture taken June 16, 2009.

Fishermen row a boat in the algae-filled Chaohu Lake in Hefei, Anhui province, June 19, 2009.

Fishermen row a boat in the algae-filled Chaohu Lake in Hefei, Anhui province, June 19, 2009. The country has invested 51 billion yuan ($7.4 billion) towards the construction of 2,712 projects for the treatment of eight rivers and lakes including Huaihe River, Haihe River, Liaohe River, Chaohu Lake, Dianchi Lake, Songhua River, the Three Gorges region of the Yangtze River and its upstream area, Xinhua News Agency reported.

A fisherman jumps from one boat to another in the algae-filled Chaohu Lake in Hefei, Anhui province, June 19, 2009. The country has invested 51 billion yuan ($7.4 billion) towards the construction of 2,712 projects for the treatment of eight rivers and lakes including Huaihe River, Haihe River, Liaohe River, Chaohu Lake, Dianchi Lake, Songhua River, the Three Gorges region of the Yangtze River and its upstream area, Xinhua News Agency reported

Boats are seen anchored in the algae-filled Chaohu Lake in Hefei, Anhui province, June 19, 2009. The country has invested 51 billion yuan ($7.4 billion) towards the construction of 2,712 projects for the treatment of eight rivers and lakes including Huaihe River, Haihe River, Liaohe River, Chaohu Lake, Dianchi Lake, Songhua River, the Three Gorges region of the Yangtze River and its upstream area, Xinhua News Agency reported.