An activist holds a banner during a mock funeral for people who died of the HIV/AIDS in the past year, marking the World AIDS Day and calling for US President Barack Obama to fulfill his promise to fund global AIDS, in front of the White House in Washington D.C., capital of the United States, Dec. 1, 2010. [Xinhua]

A red AIDS ribbon hangs in front of the White House in recognition of the World AIDS Day, in Washington D.C., capital of the United States, Dec. 1, 2010. [Xinhua]