Participants experience a voice analysis program during the Annual Meeting of the New Champions 2018, also called Summer Davos Forum, in Tianjin, north China, Sept. 18, 2018. (Xinhua/Li Ran)

A participant interacts with sentient robots during the Annual Meeting of the New Champions 2018, also called Summer Davos Forum, in Tianjin, north China, Sept. 18, 2018. (Xinhua/Yue Yuewei)

Participants experience the "Tree VR" project during the Annual Meeting of the New Champions 2018, also called Summer Davos Forum, in Tianjin, north China, Sept. 18, 2018. (Xinhua/Li Ran)

Participants experience the "Tree VR" project during the Annual Meeting of the New Champions 2018, also called Summer Davos Forum, in Tianjin, north China, Sept. 18, 2018. (Xinhua/Li Ran)

A participant view the sentient robot during the Annual Meeting of the New Champions 2018, also called Summer Davos Forum, in Tianjin, north China, Sept. 18, 2018. (Xinhua/Li Ran)