A red ribbon is seen hang on the North Portico of the White House to commemorate the World AIDS Day in Washington D.C., capital of the United States, Dec. 1, 2016. (Xinhua/Bao Dandan)
A red ribbon is seen hang on the North Portico of the White House to commemorate the World AIDS Day in Washington D.C., capital of the United States, Dec. 1, 2016. (Xinhua/Bao Dandan)