Ключевые слова: air, air conditioner, air duct, antenna, brick, brick wall, cable, chimney, cityscape, conditioner, conditioning, deterioration, device, duct, exhaust, hanging, house, infrastructure, many, no people, old, pipe, pipeline, pollution, renovation, russia, rusty, saint petersburg, slum, street, tube, urban, ventilation, wall, weathered, window, wire, yard,