ancient akkerman fortress at belgorod-dnestrovsky, near odessa, ukraine. citadel old fortress. the south of ukraine photo

akkerman ancient antique architecture authentic bastion belgorod bilhorod blue built castle citadel construction defense dnestrovkiy dnestrovskiy dnestrovsky dniester dnistrovski dome embrasure europe european exterior famous fort fortification heritage historical history landmark medieval military monument odessa old past photo protection ruin security stronghold tourism tower town traditional travel trip ukraine visit wall