File photo taken on June 25, 2014 shows actresses of Dong ethnic group from southwest China's Guizhou Province perform at a Chinese cultural festival in Washington D.C., the United States. Named in honor of first American President George Washington, Washington D.C. or Washington District of Columbia is the capital of the United States that is located between Maryland and Virginia states. Overseas Chinese, Confucius institutes, giant pandas and Chinatown are characteristic Chinese features that can be find in Washington D.C. (Xinhua/Yin Bogu)