Ключевые слова: above, aerial, aerial view, circle, clean, cleaning, clear, conservation, dirty, drone, drone point of view, ecology, environment, environmental, environmental conservation, facility, factory, filtration, flow, georgia, industrial, industry, nature, outdoors, plant, pollution, pool, purified, purity, recycled, recycling, reservoir, round, sea, sewage, sewage treatment plant, sewer, sewerage, station, storage, sunset, sustainability, system, tank, technology, treatment, waste, wastewater, water, water pollution,