|  | 
| A college student models a dress made from recycled materials to celebrate the 2012 World Earth Day, which is April 22, in Huaibei, Anhui province, on April 17, 2012. [Photo/CFP] | 
|  | 
| College students model dresses made from recycled materials to celebrate the 2012 World Earth Day, which is April 22, in Huaibei, Anhui province, on April 17, 2012. [Photo/CFP] | 

