C382 The Bull Cart Trial

"Eh? Wait..." Wu Ya looked at Niu pulling the shaft of the carriage. Behind the shaft, he pulled the shaft and walked on the ground. He suddenly felt that this looked like something. Upon closer inspection, this... Wasn't this a f * cking plow? If the axle was turned into a digging head, wouldn't it become the plow of the future generations? Wu Ya was extremely happy for this discovery