winked, giving him a knowing look, and continued, "Brother, do you know if I have any hidden treasures Have you seen my collection"Lu Cheng listened to him say this, thinking that this fellow must hav..."Confucius said: When gold and wood are attacked, things take on their forms. In the world there is no tool for profit, just as Bian and An skillfully employ their craft"es and engaged in large-scale construction.When the North and South were locked in a seven-year standoff.The Chang'an mechanical soldiers came into being, and the colossal city towers rose from the gr...