At the End of the Ming Dynasty, the Sky Was Turned Upside Down

The remaining people shed tears in the dust, and look south to the king's division for another year. Who can save the country in the crisis when the building will collapse? When Zhang Yan, a later science and engineering student, returned to Chongzhen in the summer of the ninth year due to a car accident and became a member of the Zhang Dai family, history once again stood at a fork in the road. Zhang Yan also didn't know the way forward, but he was determined to save it to the death, and China would no longer be lost. This time, the five years of Ping Liao were no longer a lie. Chongzhen, more than seventeen years