Introduction to the Kungweisu Tunnel: The Kungweisu Tunnel was completed in the 36th year of Meiji (1903) during the Japanese colonial period. The door above the tunnel entrance has the inscription "Kongweisu" written by Gentaro Kodama, the then Governor of Taiwan, so it is called "Kongweisu". Weisu Tunnel". The Kungweisu Tunnel is about 452 meters long and is a single-lane tunnel. In the 87th year of the Republic of China (1998), the double-track mountain line railway was opened to traffic, and the Gongweixu Tunnel was abandoned and entered history.