Nancheng is bounded by the winding city wall. The south is called Nancheng and the north is called Beicheng. Since ancient times, princes and nobles have lived in the south. The people in the north are all poor. Therefore: the south city is rich and the north city is poor. The people of Beicheng were miserable under the tax and corvee conditions, and finally one day rebels broke out in Beicheng...
Intention: The rolling Yangtze River flows eastward, right and wrong, success or failure turn around in vain