Photo taken on June 17, 2016 shows the Chinese American Anna Chan Chennault, or Chen Xiangmei, participating in a celebration of her 91st birthday, at the United Nations Headquarters in New York. A party was organized at UN Headquarters in New York on Friday to celebrate the 91st birthday of Chinese American Anna Chan Chennault, or Chen Xiangmei, who was lauded here for her great efforts to push forward the China-US relations. Chen, who was born on June 23, 1925 in China, is wife of the late U.S. general Claire Lee Chennault who headed the wartime Flying Tigers pilots to fight against Japanese invaders in China during World War II. [Photo/Xinhua]