The Carmín festival of La Pola Activity · Siero, Oviedo, Asturias On the Monday following the day of the Virgen del Carmen, Pola de Siero holds its pilgrimage festival: at five in the afternoon the parade sets off from the Les Campes quarter to the meadow of La Sobatiella and at nightfall the festivity comes down to the old quarter of the villa. Photo: Dimitriy Rovchak (Public domain) What to see and do in Siero