 Complete the following phrase:  The paintings from Arlanza are a set of frescos belonging to the mural decoration of a Benedictine monastery of San Pedro de Arlanza, in the Province of Burgos, Castile and León, Spain, dating to around 1210, and now dispersed among a number of collections. The Spanish government began to detach and sell sections of the frescos in the 19th century, though less exciting sections remain in situ. In 1943, the largest group of six major fragments was moved to the National Art Museum of Catalonia of Barcelona. Most of the 