The Convent of Muestair, a UNESCO World Heritage site in the Grisons region of Switzerland, is seen August 7, 2009. The Convent is an example of Christian monastic renovation during the Carolingian period. It has Switzerland's greatest series of figurative murals, painted in A.D. 800, along with Romanesque frescoes and stuccoes. REUTERS/Christian Hartmann (SWITZERLAND CITYSCAPE SOCIETY RELIGION) 

Tourists visit the Convent of Muestair, a UNESCO World Heritage site in the Grisons region of Switzerland, August 7, 2009. The Convent is an example of Christian monastic renovation during the Carolingian period. It has Switzerland's greatest series of figurative murals, painted in A.D. 800, along with Romanesque frescoes and stuccoes. REUTERS/Christian Hartmann (SWITZERLAND CITYSCAPE SOCIETY RELIGION) 

The Convent of Muestair, a UNESCO World Heritage site in the Grisons region of Switzerland, is seen August 7, 2009. The Convent is an example of Christian monastic renovation during the Carolingian period. It has Switzerland's greatest series of figurative murals, painted in A.D. 800, along with Romanesque frescoes and stuccoes. REUTERS/Christian Hartmann (SWITZERLAND CITYSCAPE SOCIETY RELIGION) 

The Convent of Muestair, a UNESCO World Heritage site in the Grisons region of Switzerland, is seen August 7, 2009. The Convent is an example of Christian monastic renovation during the Carolingian period. It has Switzerland's greatest series of figurative murals, painted in A.D. 800, along with Romanesque frescoes and stuccoes. REUTERS/Christian Hartmann (SWITZERLAND CITYSCAPE SOCIETY RELIGION) 

Tourists visit the Convent of Muestair, a UNESCO World Heritage site in the Grisons region of Switzerland, August 7, 2009. The Convent is an example of Christian monastic renovation during the Carolingian period. It has Switzerland's greatest series of figurative murals, painted in A.D. 800, along with Romanesque frescoes and stuccoes. REUTERS/Christian Hartmann (SWITZERLAND CITYSCAPE SOCIETY RELIGION) 

The Convent of Muestair, a UNESCO World Heritage site in the Grisons region of Switzerland, is seen August 7, 2009. The Convent is an example of Christian monastic renovation during the Carolingian period. It has Switzerland's greatest series of figurative murals, painted in A.D. 800, along with Romanesque frescoes and stuccoes. REUTERS/Christian Hartmann (SWITZERLAND CITYSCAPE SOCIETY RELIGION) 

A cow stands in a meadow in front of the Convent of Muestair, a UNESCO World Heritage site in the Grisons region of Switzerland, August 7, 2009. The Convent is an example of Christian monastic renovation during the Carolingian period. It has Switzerland's greatest series of figurative murals, painted in A.D. 800, along with Romanesque frescoes and stuccoes. REUTERS/Christian Hartmann (SWITZERLAND CITYSCAPE SOCIETY RELIGION) 

The Convent of Muestair, a UNESCO World Heritage site in the Grisons region of Switzerland, is seen August 7, 2009. The Convent is an example of Christian monastic renovation during the Carolingian period. It has Switzerland's greatest series of figurative murals, painted in A.D. 800, along with Romanesque frescoes and stuccoes. REUTERS/Christian Hartmann (SWITZERLAND CITYSCAPE SOCIETY RELIGION)