The process of replacing new energy vehicles attracts visitors. Zhang Lang photographed retro electric vehicles appearing at the exhibition. Zhang Langzhao's exhibition attracts visitors. Zhang Lang unveiled an electric flying car at the exhibition. Zhang Lang took photos of the opening ceremony. Zhang Langzhao's exhibition attracts visitors. Zhang Lang showcases new energy battery packs at the exhibition. Zhang Lang showcases new energy vehicle batteries at the exhibition. Zhang Lang showcases new energy vehicles at the exhibition. Zhang Lang showcases new energy vehicles at the exhibition. Photographed by Zhang Lang, the 2023 World Power Battery Conference opened in Yibin, Sichuan Province on June 9. In addition to the opening ceremony, a green and low-carbon travel exhibition for power batteries was also set up, with a total offline area of 55000 square meters. Eight exhibition areas were set up, including "Power Source", "Green Travel World", and "Smart Ecology". There were 338 participating companies and institutions, bringing together enterprises from 9 countries and regions such as Germany, Japan, the United Kingdom, the United States, and Hungary to participate. (Outlook New Era Network)