In the seventeenth year of Chongzhen's reign, rogue bandits broke into Beijing and the Qing army invaded the country. Grain prices in the south of the Yangtze River rose three times a day. Wen Yan opened his eyes and became a poor scholar who was about to starve to death, while his neighbor was still collecting debts and grabbing land. He had no time to care about the bright weather, and only stared at the three-thirds of thin land behind the dilapidated house - the steam engine blueprints had been drawn, and the hybrid rice seeds were sprouting. When others fled, he built canals and built factories; when others robbed food, he opened mountains and smelted iron. When the Eight Banners cavalry entered Shanhaiguan, Wen Yan silently called up the blueprint for the first breech-loaded rifled gun: [System prompt: Do you want to unlock the "heavy industry era"?
