a smooth curve of the channel of the colorado rive, albert, alberta, altstadt, amsterdam, architecture, arizona, autumn, boat, bow river, bridge, building, buildings, canada, china, cities, clouds, deutschland, dresden, elbe, forest, germany, glen canyon, horseshoe, horseshoe bend, house, in the evening, landscape, light, lights, line, moscow, mountain, nature, night, ocean, of the boat, olympic, pool, reflection, river, road, rock, salute, sky, square wave, taipei, taiwan, the elbe, the field, the kremlin, the netherlands, the port, town, tree, united states, water, wharf, winter