Bergoase spa of the Grand Hotel Tschuggen, architect Mario Botta, luxury hotel, Arosa, Graubuenden or Grisons, Switzerland, Europe

architect architecture arosa bergoase botta building buildings costly day daylight daytime during europe european expensive exprensively exterior exteriors grand graubuenden grisons high high priced hotel hotel hotels luxurious luxury mario modern noble nobody of or outdoor photo photos priced pricey resort resorts shot shots spa swiss switzerland the tourism touristic touristical touristically touristy tschuggen