"A torii gate I came upon while moving forward through the submerged tunnel." 水没坑道を進んだ先で発見した鳥居。 pic.twitter.com/fm0h9qAy0j— Saho@廃墟と街並み (@urbex_34) March 22, 2023 A bit of research shows that this is the tunnel in which the "Cavern Summer Festival" used to be held in Kani City, Gifu Prefecture. The tunnel is one among many left over in the area from the WWII … [Read more...] about A torii gate in an abandoned tunnel in Kani City, Gifu prefecture.