Roman fanas of La Freita and Bustantigo Nature · Allande, Narcea, Asturias Two enormous open cuts made by the Romans to tear gold from south-western Asturias: it is reckoned that more than eight million cubic metres of earth and stone were shifted from them, and the collapsed landscape they left still marks these slopes. Photo: SITOMON (CC BY-SA 4.0) What to see and do in Allande