Ключевые слова: abandoned, canal, canalization, channel, collector, concrete, corridor, creepy, danger, dark, decay, deep, dirt, dirty, drain, drainage, empty, environment, escape, exploring, flow, glow, illuminated, industrial, industry, inside, light, mine, mud, pipe, pipeline, pollution, reflection, river, round, sewage, sewer, sewerage, sludge, smelly, splash, stinking, stream, subterranean, tube, tunnel, underground, urban, voronezh, wastewater, water,