Knin fortress, Croatia. The construction of the fortress started as early as 9th century, while the current state was brought up in 17 century. It reached its peak during the reign of Zvonimir, King of Croatia, as it served as a political center of the kingdom.

Knin fortress, Croatia. The construction of the fortress started as early as 9th century, while the current state was brought up in 17 century. It reached its peak during the reign of Zvonimir, King of Croatia, as it served as a political center of the kingdom.

by SethVultur