The Flemish tapestries of San Millán Monument · Oncala, Tierras Altas, Soria Image of Oncala, not of the place itself. The church holds ten large seventeenth-century tapestries, eight of them from the series of the Eucharistic Apotheosis woven after cartoons by Rubens, with the BB mark of Brussels and the initials of the master tapestry-maker. Photo: www.pmrmaeyaert.com (CC BY-SA 3.0) What to see and do in Oncala