Ключевые слова: city, cleanliness, contamination, debris, dirt, discarded, discarded objects, dumping, environment, garbage, litter, litter bins, litterbugs, littered, littering, mess, night, nighttime, nighttime cleanup, paths, pedestrian paths, polluted, pollution, public spaces, refuse, rubbish, sanitation, sanitation workers, scattered, sides, sidewalks, streets, trash, unclean, unsightly, urban, urban cityscape, urban decay, urban jungle, urban lifestyle, urbanization, waste,