Ключевые слова: alga, algae, aqua, blue, calm, canal, cane, city, coastline, curve, ditch, duckweed, ecological, ecology, environmental, foliage, grass, green, landscape, marsh, mud, nature, ooze, outdoor, plant, pollution, pond, quiet, reed, reflection, river, riverbank, rural, rush, scene, scenery, scenic, shore, slime, summer, surface, swamp, town, tranquil, travel, tree, urban, view, water, wood,