Ключевые слова: architecture, backhoe, billboard, building, cacao region, central zone, channel, cityscape, concrete, construction, contaminated water, dirt, dirty, downtown, drain, drainage, drinking water, duct, ecology, engineering, environment, flowing, metropolitan, municipal wastewater gutter, open sewage, pipe, pipeline, polluted, pollution, pollution water, river, river of feces, sewage, sewage pipe, sewer, sewer pipe, sewerage, sewers, stool river, transmission, transportation, tube, unsafe water, urban, wastewater, watershed degradation,