sentences:  These historic houses include the Maxenhaus, the Zentriegenhaus, the Zmilacherhaus and houses of the von Roten family as well as the Kalbermatterhaus in Turtig and the tower house in Rotigoblatt.Traffic through Raron over the St. German pass to Visp contributed to the prosperity of the town.However, the construction of the valley road to the left side of the valley in the 19th century, deprived Raron of this source of revenue.