A long hair fluttering, a piece of animal skin around the waist, holding a wooden stick in his left hand and a stone knife in his right hand, saw an old cat in front of him, threw a wooden stick and then threw a stone knife, and the blood of the old cat was wild...... Luo Chong looked at the same kind in front of him painfully, and there was a sentence in his heart that MMP wanted to say, but no one could understand it. Join Luo Chong in the arduous and happy prehistoric era and witness the rise of a human civilization. Primitive farming hegemony text, learn about it...... Book friend exchange group: knife book guest family, 496982595