Cynthia Chennault, daughter of late U.S. General Claire Lee Chennault, speaks during the 4th Sino-American Second World War Friendship and Flying Tiger History Conference in Las Vegas, the United States, May 10, 2019. Over the past decades, Cynthia Chennault traveled frequently between the United States and China, dedicated to cultural and people-to-people exchanges, an effort she deemed vital for the friendship long forged by the two nations. (Xinhua/Han Fang)