Kiev/ukraine - Jul 14 2015: Catapults, Wooden Machines For Throwing the Stones, Tracking Right, Watchtowers, Fortress Hill, Fortress Walls, Woden Walls, Kievan Russ, 11 Century, Reconstruction, Ancient Wooden Structures 10-11 Centuries, Summer, Outdoors, Sunny, Green Grass, Field Flowers, Blue Sky, White Clouds