The fifth World Intelligence Congress, a major artificial intelligence (AI) event in China, kicked off in north China's Tianjin Municipality on May 20, highlighting frontier AI technologies and applications.

The four-day event, with the theme of "New Era of Intelligence: Empowering New Development, Fostering New Pattern," has attracted the participation of over 240 AI companies and institutions.

People wait for dessert made by a robot at the fifth World Intelligence Congress at Tianjin Meijiang Conference and Exhibition Center in north China's Tianjin, May 23, 2021. (Xinhua/Li Ran)

A visitor tries an exhibit at the fifth World Intelligence Congress at Tianjin Meijiang Conference and Exhibition Center in north China's Tianjin, May 23, 2021. (Xinhua/Zhao Zishuo)

Visitors try a service robot at the fifth World Intelligence Congress at Tianjin Meijiang Conference and Exhibition Center in north China's Tianjin, May 23, 2021. (Xinhua/Sun Fanyue)

Visitors watch a robot making coffee at the fifth World Intelligence Congress at Tianjin Meijiang Conference and Exhibition Center in north China's Tianjin, May 23, 2021. (Xinhua/Li Ran)

Photo taken on May 23, 2021 shows a smart food delivery cart at the fifth World Intelligence Congress at Tianjin Meijiang Conference and Exhibition Center in north China's Tianjin. (Xinhua/Sun Fanyue)

Visitors watch a demo video about "AI+office" at the fifth World Intelligence Congress at Tianjin Meijiang Conference and Exhibition Center in north China's Tianjin, May 23, 2021. (Xinhua/Li Ran)

A staff member reacts with a robot at the fifth World Intelligence Congress at Tianjin Meijiang Conference and Exhibition Center in north China's Tianjin, May 23, 2021. (Xinhua/Sun Fanyue)

Visitors stay in a pilotless automobile at the fifth World Intelligence Congress at Tianjin Meijiang Conference and Exhibition Center in north China's Tianjin, May 23, 2021. (Xinhua/Zhao Zishuo)