World Earth Day![]() Volunteers collect garbages in a forest park to mark 38th 'World Earth Day' in Southwest China's Chongqing Municipality April 22, 2007. 'World Earth Day' is held on April 22 every year and intends to raise people's awareness of environmental protection. ![]() Policemen collect floating garbages on a river to mark the 38th 'World Earth Day' in Zhongshan, South China's Guangdong Province April 22, 2007. ![]() Residents set free birds to mark the mark the 38th 'World Earth Day' in Nan'an, Southwest China's Chongqing Municipality April 22, 2007. ![]() Volunteers collect batteries for recycle to mark 38th 'World Earth Day' in Hohhot, North China's Inner Mongolia Autonomous Region Southwest April 22, 2007. |
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