Ключевые слова: aerial, africa, african, architecture, bank, bed, bridge, building, capital, city, cityscape, cloud, delta, dusk, field, flow, green, horizontal, island, isle, landmark, landscape, natural, nature, niamey, niger, outdoor, panorama, panoramic, plant, river, riverbed, shore, sky, skyline, stream, sunset, town, tree, twilight, urban, view, water,