'Game of Thrones' Stunt Coordinator Rowley Irlam dissects a key scene from the Battle of Winterfell, in which Kit Harington's Jon Snow heads through a tunnel as White Walkers fall through the roof on him. 'Game of Thrones' Stunt Coordinator Breaks Down Key Battle of Winterfell Scene #Game_of_Thrones https://www.youtube.com/watch?v=cWWmY7nwIr4