Karen Mok appears at a press conference in Beijing on Jan. 18, 2016, to release the promotional song "You Are the Best in the World" for Chow's new film "Mermaid." The song is sung by Adam Cheng and Karen Mok, and is a new cover of the popular old song from the 1983 TV series "The Legend of the Condor Heroes." [Photo/China.org.cn]