 The next year the Mongols went north and looted the Jin "eastern capital", and in 1213 they besieged the "central capital", Zhongdu (present-day Beijing).In 1214 the Jin made a humiliating treaty but retained the capital.That summer, Emperor Xuanzong abandoned the central capital and moved the government to the "southern capital" Kaifeng, making it the official seat of the Jin dynasty's power.