Top 10 smartest cities in China
No 8 Changsha
China's first permanent magnet subway train, which saves up to 30 percent energy compared to traditional trains, goes into service in Changsha, Hunan province, on August 29, 2016. [Photo/VCG] |
No 8 Changsha
China's first permanent magnet subway train, which saves up to 30 percent energy compared to traditional trains, goes into service in Changsha, Hunan province, on August 29, 2016. [Photo/VCG] |