What's the difference between i.e. and e.g.?
Swiss portion of the upper Inn (Romansh En) River valley, in Graubunden canton, extending about 60 mi (100 km) from the Inn's source near the Maloja Pass (5,955 ft [1,815 m]) northeast to Finstermunz (3,621 ft), near the Austrian border. It is bounded on the south by the Bernina Alps and on the north by the Albula and Silvretta groups. The valley is divided both administratively and geographically (at the Zernez Gorge) into Upper and Lower Engadin.