Crossing the Great Q

Of the twenty, all were former guards who had training in archery and crossbow use.,Yang Lin picked out ten of the tallest men: "You ten, as shield bearers, hold your large shields in front. Your duty is to protect the spearmen and crossbowmen behind you!","Tao Ge, later you divide the manpower to guard the front gate, back gate, and all around the walls of the courtyard. Don't let any bandits escape!"。