China's first metro line built across under the Yellow River was put into trial operation in Lanzhou City, capital city of northwestern Gansu Province on Sunday. The subway line, Lanzhou's first, is expected to alleviate traffic congestion and ease commuting.
Copyright © 2018 CGTN. Beijing ICP prepared NO.16065310-3
Copyright © 2018 CGTN. Beijing ICP prepared NO.16065310-3