U.S. producer William Mundell (2nd R) answers questions after the screening of the documentary "Better Angels" in Washington D.C., the United States, on Dec. 11, 2018. The film "Better Angels," directed by award-winning director Malcolm Clarke and produced by U.S. producer William Mundell and award-winning Chinese producer Han Yi, was shown at the Chinese embassy on Tuesday night. It features stories of how ordinary Chinese and Americans benefit from a close China-U.S. relationship. (Xinhua/Liu Jie)