文档介绍：
y title of nobility or that of prince in the QingDynasty)and the western part was defended by Belie Bu two towns were away from each other. The eastert town was in form of a square with two wall gates: the eastern gate and the western gate .The western town was in the form of an octagon with two gates: the northern gate and the southern gate.
Inside the eastern town, there was a barbican entrance. Its wall was 10 meters high. In the center we can find the site of an octagon building. When Qing soldiers attacked the town, Beile Jin Taishi found them nearby occupied the town, so he led his soldiers to climb the inner city, the octagon building, but failed to burn himself and was captured and crossed. Now, we can find the site of the old Yehe. Surrounded by the mountain and river, we can recognize the site of the octagon building.
In the Ming Dynasty (the previous one of the Qing Dynasty), Yehe was rich in resources and convenience in transport by which Yehe became richer and stronger. In order to doing that, Nurhachi led his army to attack Yehe for times.
On the rainy night of August21st, 1619, Nurhachi led his army to attack the eastern city gate. Through a hard resistance, howere, the city fell. Knowing that it was hard to resist Nurhachis army, Beile Bu Yanggu claimed that he could surrender with such conditions: Spare him when agreed. He was led to didnt bow but just lowered his body a bit. When Nurhachi handed him a gold cup of liquor he proudly rejected, instead he lowered his head to sip it. Nurhachi crossed him with the excuse that he didnt respect him and didnt hand over the city, either. For this Bu Yanggu was exasperated and pledge