The photo, taken on January 9, shows workers busy laying tracks for the section between Kanyun Road Station and Fenglin West Station on Changsha Metro Line 2 West Extension. The project was undertaken by the China Railway No. 5 Engineering Group. Its main line track-laying work is underway. After completion of the project, the Changsha South Railway Station and the Changsha West Railway Station will be connected and passengers can take the subway to transfer between the two high-speed railway stations. (Photo/Guo Liliang, Hunan Daily)

The photo, taken on January 9, shows workers busy laying tracks for the section between Kanyun Road Station and Fenglin West Station on Changsha Metro Line 2 West Extension. The project was undertaken by the China Railway No. 5 Engineering Group. Its main line track-laying work is underway. After completion of the project, the Changsha South Railway Station and the Changsha West Railway Station will be connected and passengers can take the subway to transfer between the two high-speed railway stations. (Photo/Guo Liliang, Hunan Daily)

The photo, taken on January 9, shows workers busy laying tracks for the section between Kanyun Road Station and Fenglin West Station on Changsha Metro Line 2 West Extension. The project was undertaken by the China Railway No. 5 Engineering Group. Its main line track-laying work is underway. After completion of the project, the Changsha South Railway Station and the Changsha West Railway Station will be connected and passengers can take the subway to transfer between the two high-speed railway stations. (Photo/Guo Liliang, Hunan Daily)

The photo, taken on January 9, shows workers busy laying tracks for the section between Kanyun Road Station and Fenglin West Station on Changsha Metro Line 2 West Extension. The project was undertaken by the China Railway No. 5 Engineering Group. Its main line track-laying work is underway. After completion of the project, the Changsha South Railway Station and the Changsha West Railway Station will be connected and passengers can take the subway to transfer between the two high-speed railway stations. (Photo/Guo Liliang, Hunan Daily)

责编：田梦瑶

一审：田梦瑶

二审：秦慧英

三审：黄晓辉

来源：湖南省政府网