2021 Zhongguancun Forum opens in Beijing

Martin Edward Hellman, winner of the 2015 Turing Award, delivers a speech via video during the plenary meeting of the 2021 Zhongguancun Forum (ZGC Forum) in Beijing, capital of China, Sept. 25, 2021. With a theme of "intelligence, health and carbon neutrality," the forum held a plenary meeting here on Saturday. (Xinhua/Ju Huanzong)