a smooth curve of the channel of the colorado rive, anime, architecture, arizona, background, big ben, blue, blue sky, boat, bridge, budapest, building, canvas, capital, chain, china, city, coast, danube, england, fence, figure, fireworks, glen canyon, holiday, home, hong kong, horseshoe, horseshoe bend, house, hungary, italy, joy, light, lighting, lights, london, new york, night, night city, north america, oil, pattern, people, pool, promenade, reflection, retreat, river, salute, sea, shadow, shore, sky, skyscrapers, soldiers . weapons, square wave, stay, street, sunset, surface, taipei, taiwan, the netherlands, the parliament, the sky, united states, war between the north and the south, water