Summit and exposition on artificial intelligence held in Jinan, Shandong (4)

An attendee displays a portable water quality spectral monitor, with independent intellectual property rights, during the 1st Summit of Jinan National Artificial Intelligence Innovation and Application (JNAIIA) Pilot Zone &the Exposition of Artificial Intelligence Innovation and Application on Yellow River Basin in Jinan, east China's Shandong Province, April 19, 2021. The event kicked off in Jinan on Monday. (Xinhua/Guo Xulei)