Keyenta2 years agoEngineering structureOld tunnel under the railway tracks (Ufa)Russia, gorodskoy okrug Ufa5.0523.6 km2.6k3
AAxay19782 years agoEngineering structureВыход гидротехнического тоннеля реки КаменкиRussia, Chelyabinsk Oblast3.0341.5 km7.2k1
Engineering structure