Hero Tree Introduction: The Hero Tree is a witness to historical events and a war site. It is also a famous scene that once protected the Yang Lin martyrs. Yang Lin (July 1944-March 15, 1969), during the counterattack, in order to block three tanks that rushed into our country's inland rivers, he risked his own life and led two comrades to set up artillery on the unconcealed ice road and fire. Damage 1 enemy tank. Even though three fingers on his left hand were broken and his right hand was penetrated by bullets, Yang Lin continued shooting with amazing perseverance and hit another enemy armored vehicle. When he was about to shoot another approaching armored vehicle, a shell fell next to Yang Lin, causing him to fall under a tree and give up his young life.