Ключевые слова: architecture, art, berlin, blue, building, color, concert, concrete, conference, congress, construction, cultures, der, electric, european, exterior, facade, floors, gallery, germany, glass, green, grey, hall, haus, house, kulturen, light, modern, orange, oyster, panorama, pregnant, reflection, round, scene, sculpture, sky, structure, tour, tourism, travel, trip, urban, water, welt, world,