Ключевые слова: arch, arch bridge, architectural, architecture, beautiful, bridge, calm, cascade, countryside, day, england, environment, europe, exmoor, exmoor national park, flowing, flowing water, fresh, freshwater, hookway hill, horizontal, idyllic, landmark, landscape, long exposure, natural, nature, no people, outdoor, outdoors, outodoors, river, robbers bridge, rock, rocky, rural, scenery, scenic, somerset, stream, tourism, tranquil, tranquility, travel, valley, water, waterfall, weir water,