Spotlight: Giant panda gives birth to "precious" cub at U.S. national zoo, creating "moment of pure joy"

Laurie Thompson, assistant curator of giant pandas with the Smithsonian's National Zoo, speaks during an interview at the zoo in Washington, D.C., the United States, Aug. 22, 2020. Mei Xiang, who's of an advanced maternal age, gave birth to a cub at Smithsonian's National Zoo here on Friday. (Xinhua/Liu Jie)