Ключевые слова: alster, architecture, blue, boat, bright, building, center, church, city, cityscape, cloud, europe, european, flag, fontain, german, germany, hamburg, house, inner alster, lake, landmark, office, outdoor, panorama, river, riverside, roof, rooftop, season, ship, shopping center, sky, skyline, steamboat, steamer, summer, sunny, tourism, town, tree, urban, view, water, waters, waterside,