Outer Stambol Gate
Monument in Belgrade, Serbia
It is made of finely dressed stones on the eastern side of ravelin in the period between 1750 and 1760. The gate is arched, having a semicircular vault and massive two-winged doors on the outer side reinforced with horizontal tiles made of wrought iron. Interior of the gate includes niches, casemates and guardrooms.
Kalemegdan Park, Belgrade, Serbia