Pupils at Weiwu primary school in Bozhou, Central China’s Anhui province, on April 21, 2010presented drawings to the upcoming 41st World Earth Day which falls on April 22 s
Pupils at Weiwu primary school in Bozhou, Central China’s Anhui province, on April 21, 2010presented drawings to the upcoming 41st World Earth Day which falls on April 22 s
