Ключевые слова: abandoned, belgorod, car, cart, cave, cavern, chalk, chalky, corridor, creepy, cretaceous, danger, dark, deep, dig, digger, dirty, drill, drilling, dungeon, entrance, equipment, excavation, exploration, geology, industrial, inside, interior, limestone, material, mine, mineral, mining, mystery, passage, rusty, scary, shaft, speleology, spooky, surface, traces, track, trolley, tunnel, tunneling, underground, white,