Two students, wearing outfits made from chopsticks, hand out information to passers-by about environmental conservation prior to the upcoming "World Earth Day", which falls on April 22, in Liaocheng city in East China's Shandong province, on April 20, 2012. The two special outfits were made from more than 4,000 chopsticks by students from Liaocheng University, in order to underscore the public’s awareness of protecting the environment and the planet. [Photo/Asianewsphoto]

Two students, wearing outfits made from chopsticks, give passers-by information on environmental conservation prior to "World Earth Day", which falls on April 22, in Liaocheng city in East China's Shandong province, on April 20, 2012.[Photo/Asianewsphoto]