1862, Kunyu Mountain, Jiaodong. On a rainy night, Li Weihua woke up from the chaos - only two corn cakes and a dagger were left on his body, but in his mind was an incomplete base with depleted energy: he could not explode troops, he could not build guns out of thin air, he could only sharpen the old skills in the mountains bit by bit.
First came the stone thunder, then the tunnel, and then a village and a mountain protected by the Zhao family.
When foreign merchants came to seize the mines, he led the people to use caves to make merchants; when the Sino-Japanese War of Sino-Japanese War broke out, he led the mountain people to break into pieces; fifty years later, the wind and rain came to the fore, and Kunyu Mountain became an insurmountable wall.
From 1862 to 1945, a time traveler finally understood: the real iron wall was not given by the system, but built by the concerted efforts of millions of people.
