Ключевые слова: abandon, adventure, architectural, architecture, building, bunker, canal unfinished, capture, cave, channel, cover, culvert, danger, dangerous, defect, discover, discovery, explorer, exploring, fault, feral, gate, gateway, gully, insurance, law, left, manhole, natural, new, old, recapture, reconstruction, redecoration, refurbishment, remedial action, renovation, restoration, restructuring, ruin, ruins, rust, rusty, safe, safety, savaged, secrete, sewer, stairs, stairway, unsafe,