idn't hold out too much optimism.On the contrary, Su Jinpa didn't think too much about it. She was still immersed in the wonder of sweet potatoes and exclaimed with admiration, "Your Highness, this is...inhuai River dug in Jinling. Do you know why"Du Jianjiang replied, “This matter caused quite a stir back then. I've heard about it. It is said that the emperor believed Nanjing, as the ancient capital...