Pupils of Banchang Primary School plant trees in Beijing's southern Chongwen district on Sunday, April 1, 2007. Nearly 2 million Beijing citizens take part in a tree-planting campaign to celebrate a volunteer tree-planting day in Beijing. It is also held in conjunction with the newly launched "Green China Day."

Pupils and citizens transplant trees to the Ming Dynasty East Wicket Wall Relic Park in southern Chongwen district in Beijing on Sunday, April 1, 2007.

(Xinhua News Agency April 2, 2007)