Take the long-awaited Jungfrau mountaineering train to board the Alps European roof, train fares are not cheap, take the Interlaken to Jungfrau observation deck must be replaced by three trains, climbing from 567 meters to 3454 meters in just tens of kilometers, Also included is the last long tunnel, all the way from the plains, through the glacier canyon, to the magnificent Jungfrau peaks appearing in front of you, amazing.