Cittadella viscontea

關於

The Visconti Citadel of Bergamo is a medieval fortification in Bergamo, Lombardy, northern Italy. It was built in the 14th century by the Visconti of Milan and later expanded by the Colleoni of Bergamo. It lies in the western sector of Bergamo's Città Alta (Upper Town).

內容改寫自 Wikipedia (CC BY-SA)。照片來自 Wikimedia Commons.