The Albula-Bernina railway line was built in the early 20th century and is one of the world-famous narrow-gauge railways. It travels through the Alps along the way. It is an important alpine railway line that has been preserved so far, at a high altitude and with the world. The same kind of railway line has a larger gap, which is famous for its architectural structure, technical achievements and integration with the environment. The Bernina Express can be seen very close to the three major glaciers: after the Pontresina, it will be next to the Mortrasch Glacier to the highest peak of the Bernina (2253 meters above sea level) Go on until you reach Italy. The train passes directly through the Alps and you can enjoy the beautiful scenery. The train takes passengers from the oldest city of Switzerland, Chur, to the misty and bleak peaks, along with spectacular Mortra glaciers. This line connects the cold north to the warm south and is known as the most beautiful route between the North and the South.