A smart rail train starts a trial run in Xianyang, northwest China's Shaanxi Province, Dec 16, 2022. Photo: China News Service
A smart rail train starts a trial run in Xianyang, northwest China's Shaanxi Province, Dec 16, 2022. Photo: China News Service
A smart rail train starts a trial run in Xianyang, northwest China's Shaanxi Province, Dec 16, 2022. Photo: China News Service
A smart rail train starts a trial run in Xianyang, northwest China's Shaanxi Province, Dec 16, 2022. Photo: China News Service