People take China's first urban rail vehicle with a dual-current system in Chongqing, Oct. 20, 2021. (Photo: China News Service/Chen Chao)
China's first self-developed urban rail vehicle with a dual-current system was delivered in Chongqing on Wednesday, making it possible to connect the outskirts of a city with its downtown without transfers.
People take China's first urban rail vehicle with a dual-current system in Chongqing, Oct. 20, 2021. (Photo: China News Service/Chen Chao)
Photo taken on Oct. 20, 2021 shows the inside view of a carriage of China's first urban rail vehicle with a dual-current system in Chongqing. (Photo: China News Service/Chen Chao)
Photo taken on Oct. 20, 2021 shows the inside view of a carriage of China's first urban rail vehicle with a dual-current system in Chongqing. (Photo: China News Service/Chen Chao)
Photo taken on Oct. 20, 2021 shows China's first urban rail vehicle with a dual-current system in Chongqing. (Photo: China News Service/Chen Chao)