TIMELESS WALLS The formidable walls of Smederevo jealously protected the short but significant rise of the city as one of the last beacons of Eastern Christendom before the sweeping Islamic tide. "The ancient walls of Djuradj's city will stand here for many centuries to come, calmly reflecting in the blue Danube waters, proudly resisting both time and new conquerors, and proving the prowess of medieval Serbian builders and masons", wrote reserve officer Zivorad Nikic on October 14, 1915, making his last stand against the German invasion.