C570 Tianjin Fall
The name of TIANJIN Wei originated from the first year of Yongle. In the past, when Yan Emperor Zhu Di crossed the river south, he gave Tianjing the name of zodiac Ferry. Later on, because of his military use, a Acropolis was established, which was also known as the "TIANJIN Wei".
Tongzhi's year's TIANJIN Wei was not big, with low walls protecting a very small city