Castelluccio di Norcia – Photograph and caption by Mauro Maione, National Geographic Your Shot – The Plains of Castelluccio are a karst plateau of the central-alluvial (Umbria-Marche Apennines), located in the Umbrian side of the Sibillini Mountains at the foot of Mount Carrier, within the territory of the town of Norcia, near the village of Castelluccio , and the National Park of Monti Sibillini, and that is the bottom of an ancient Apennine lake, now dried up, and known for its karst features.8BIM
