clock tower of kalemegdan, also known as sahat kula, during the afternoon. kalemegdan is a fortress, the main landmark of belgrade

afternoon also ancient and architecture background balkan belgrade beograd beogradska building capital castle city clock clocktower destination during europe fort fortress fotress garden gate hill historic historical history important kalemegdan known kula landmark landscape largest main medieval monument most nature nobody npicture outdoor park sahat serbia serbian serbiannpicture stone sunny tourism tower travel