Ключевые слова: adventure, architecture, badenwurttemberg, beautiful, black forest, breisgau, breitnau, bridge, building, construction, destination, freiburg, germany, gorge, hiking, hochschwarzwald, hollental, landmark, landscape, nature, outdoor, outdoors, overwhelming, railroad, railway, railway bridge, ravenna, ravenna gorge, ravennaschlucht, scenic, schwarzwald, stone, summer, tourism, tourists, travel, travel destination, vacation, valley, viaduct,