Chapel of o Ciprés Monument · Samos, Sarria, Lugo A small 9th-century Mozarabic oratory built of slate behind the monastery, with a trapezoidal plan and a horseshoe-arched door; it is the oldest surviving building of the complex and holds 10th-century wall paintings. Photo: Lansbricae (CC BY-SA 2.0) What to see and do in Samos