The Old Grain Store Turned Town Hall Monument · Molinos de Duero, Pinares, Soria Image of Molinos de Duero, not of the place itself. Built in 1789 as a communal granary where the loan wheat for the residents was kept, today it houses the town hall and displays a sculpture of the patron San Martín on horseback. Photo: Wamba Wambez (CC BY-SA 3.0) What to see and do in Molinos de Duero