Historian Roel Konijnendijk reviews ancient warfare scenes and battle tactics in ... and Viggo Mortensen; and "Kingdom of Heaven," starring Orlando Bloom, Liam Neeson, and Edward Norton.

Director Ridley Scott prepares a shot on the set of Kingdom of Heaven. Tiberias (Jeremy Irons, left) and Balian (Orlando Bloom) examine the aftermath of a battle. Eva Green stars as Sibylla ...