The Con­vent of Mus­tair, which stands in a val­ley in the Grisons, is a good exam­ple of Chris­t­ian monas­tic ren­o­va­tion dur­ing the Car­olin­gian peri­od. It has Switzerland‘s great­est series of fig­u­ra­tive murals, paint­ed c. A.D. 800, along with Romanesque fres­coes and stuc­coes.