Festivities of invierno de Remolinos Activity · Remolinos, Ribera Alta del Ebro, Zaragoza Image of Remolinos, not of the place itself. Remolinos's winter festival is held in a town whose salt mines, with the Mina Real as the main working, have been exploited since the Middle Ages; the pendentives of its parish church are attributed to Francisco de Goya. Photo: Diego Delso (CC BY-SA 4.0) What to see and do in Remolinos