2021 World NEV Congress kicks off in China's Hainan (4)

A staff member introduces a charging robot to a visitor at the 2021 World New Energy Vehicle Congress (WNEVC) in Haikou, capital of south China's Hainan Province, Sept. 15, 2021. The 2021 WNEVC kicked off on Wednesday in Haikou, focusing on the new energy vehicle industry under the background of carbon neutrality. Themed "Comprehensively promoting marketization, accelerating cross-industry integration, jointly achieving carbon neutrality," the three-day event will feature several summits, forums, exhibitions and other activities. (Xinhua/Zhou Jiayi)