The `Daiichi Minami Koma Tunnel'' (located in Fujikawa Town, Yamanashi Prefecture, 710 meters long) for the Chuo Shinkansen Line, built by JR Tokai and Taisei Corporation/Hayano Gumi JV, was penetrated on the 13th . At the ceremony on the same day, a drilling machine was used to cut a hole at the end of the tunnel (pictured), and about 160 participants chanted "Banzai". A person in charge of JR Tokai said: “The joint venture demonstrated its skills and was able to dig through the tunnel safely,” and a person in charge of Taisei Group said: “It was difficult work because There are broken parts." there was a risk of collapse, but we proceeded cautiously and achieved today.” This breakthrough was celebrated with grandeur.
