sentences:  As of 2016, the most widely used foreign languages were English, Portuguese, Albanian, Serbo-Croat and Spanish, all named as a "main language" by more than 2% of total population (respondents could name more than one "main language").The Swiss populace historically derives from an amalgamation of Gallic or Gallo-Roman, Alamannic and Rhaetic stock.Their cultural history is dominated by the Alps, and the alpine environment is often cited as an important factor in the formation of the Swiss national character.