On a cloudless evening, the first iron-smelting shaft furnace on the North American continent burst into flames. The pungent volcanic smell, accompanied by the oxidation of pyrite, billows out of the furnace mouth. The first plume of smoke from the Iron Age has officially polluted the sea and sky that have been pure since ancient times until today!

"This is the flame of smelting iron, and it is also the guidance of the Lord God's divinity, entering a new era...May the Lord God bless us!"

The murmured prayer of Mikey the Knowledgeable

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