Tianjin-Weifang HSR tunnel makes breakthrough under Haihe River
CR14G employees supervise tunneling work of the Jin-Gu Haihe Tunnel along Tianjin-Weifang High-Speed Railway in Tianjin, May 18, 2025. [Photo provided to chinadaily.com.cn] The construction of the Tianjin-Weifang High-Speed Railway reached a historic milestone on Monday, as the super-large diameter tunnel boring machine Jincheng No.1 broke through beneath the Haihe River, having tunneled over 5,000…