Ключевые слова: architecture, astronomical, avon, avon gorge, blue, bristol, british, building, camera obscura, city, cityscape, cliff, clifton, clifton observatory, clouds, engineering, england, english, europe, european, famous, gorge, green, hill, historic, historical, history, kingdom, landmark, landscape, listed, observatory, old, paris, sky, somerset, south, spring, stone, sun, tourism, tourist, tower, travel, tree, uk, urban, viewpoint, west,