a commotion in the East Palace, so I came to take a look.""Let the person come in and take a seat."Li Chen ordered someone to bring a chair for Zhao Qinglan and then said, "It's just that the son and..., they were essentially just a loud noise, something to amuse oneself with.However, with gunpowder and Li Chen's memories and scientific knowledge from his time, guiding those artisans to explore conc...