original: Tourism is concentrated in the mountains, particularly around the towns of Davos / Arosa, Laax and St. Moritz / Pontresina.
simplifications: Tourism is mostly in the mountains, around the towns of Davos / Arosa, Laax and St. Moritz / Pontresina. Most tourist spots are in the mountains around the Davos / Arosa, Laax and St. Moritz / Pontresina. The mountain towns of Davos/Arosa, Laax, and St. Moritz/Pontresina see many visitors. Tourism takes place in the mountains around the towns of Davos / Arosa, Laax and St. Moritz / Pontresina. Tourism is most in the mountains. It is seen a lot in Davos / Arosa, Laax and St. Moritz / Pontresina. Tourism is focused on the mountain area, around the towns of Davos / Arosa, Laax and St. Moritz / Pontresina. Tourists mostly visit the mountains. Tourism is concentrated in the mountains. Towns in the area with high tourism are Davos, Laax and St. Moritz Tourism mainly happens around the towns of Davos / Arosa, Laax and St. Moritz / Pontresina. These towns are in the mountains. Tourism is focused in the mountains, mostly around the towns of Davos / Arosa, Laax and St. Moritz / Pontresina.