Christmas fantasy Takamori yusui-tunnel-park
Christmas fantasy Takamori yusui-tunnel-park In December 1973, construction began to connect the former Japan National Railways Takamori Line and Takachiho Line. However, it was suspended due to a large amount of water inrush during the tunnel construction and repeated water inrush runoff accidents afterward. The construction work lasted for two years, and the tunnel was 2 km long. 。