Emperor Wu sent the general Li Guangli with an army to acquire some of these animals from the Ferghana Valley.
Several of these animals were beaten to death on the orders of Tian Chengsi after they heard music. According to Zhang Yue, some of these animals were trained to dance to entertain Emperor Xuanzong. In myth, silk production began after a girl promised to marry one of these animals, who was then killed. Sima Qian believed that the best kind of these animals came from (*) Dayuan, and were descended from heavenly versions of them. Emperor Wu sent the general Li Guangli with an army to acquire some of these animals from the Ferghana Valley. The southern branch of the Silk Road is named after tea and these animals, which, in the Song dynasty, were purchased from Tibet. For 10 points, name these animals which were used against China to great effect by the Mongols.
Several of these animals were beaten to death on the orders of Tian Chengsi after they heard music.
horses