Photo of heads of catapult arrows made available by the office of preservation of ancient monuments of German state Lower Saxony on Monday, Dec. 15, 2008. They were found in an archeological excavation area in a wood in Kalefeld, Germany. Archeologists found a battle field of Roman and Germanic people from the beginning of the 3rd century. (AP Photo/C.S. Fuchs/Office of preservation of ancient monuments of German state Lower Saxony) EDITORIAL USE ONLY