Media report on May 6, China Railway Construction Co., Ltd. at Terminal T3 at Changsha Huanghua Airport,  excavation of magnetic train tunnel finished. It is China's first magnetic train tunnel which was excavated using a Tunnel Boring Machine. Made-in-China TBM 'Magneto No:2'  finished its job 27 meters underground and lifted out.

Lenght of line 4.45 km. Length of tunnel 2.85km.

Reports write thanks to TBM technology, ground subsidence limited to 0.2mm.

http://finance.people.com.cn/BIG5/n1/2023/0506/c1004-32680261.html

http://www.chinadaily.com.cn/a/202305/06/WS64565b6aa310b6054fad1792.html