Live: CIIE auto hall highlights the future of road travel

Unlike traditional auto shows, where car companies, component suppliers and technology companies showcase their latest products, they highlight their ideas for the future of mobility, more than just vehicles, at the ongoing third China International Import Expo. Whether it is hydrogen fuel cell truck or 3D-printed tires, there is one clear theme behind the lightweight and smart technologies on display - sustainability. CGTN's Li Jianhua and Liu Chen are onsite for more.