![](../../attachement/jpg/site2/20200902/8cdcd42dcac320b9a2ed05.jpg)
It's an epic battle that left tens of millions dead and wounded. The Chinese people's resistance against Japanese aggression spans at least 14 years. In a three-episode series, we visit the Gubeikou Great Wall in Beijing's rural northern suburbs. It was the witness of the local people's bravery, in their first encounter with the enemy.