Church of Santa María de Viana do Bolo Monument · Viana do Bolo, Viana, Ourense A church of late Romanesque origin, of the end of the 12th century, of which the north and south walls survive with windows of double horseshoe arches in the Mozarabic tradition; the tall and very plain bell tower was raised in the 19th century. Photo: José Antonio Gil Martínez from Vigo, Spain (CC BY 2.0) What to see and do in Viana do Bolo