Participants dressed as giant pandas pose for pictures during the North America semifinal of the Chengdu Pambassador 2012, a global initiative to recruit three giant panda conservation ambassadors, in Washington D.C., capital of the United States, Oct. 16, 2012. The global initiative is aimed to raise the awareness about the protection of the giant panda, a high endangered species, and their habitats.(Xinhua/Fang Zhe)
