C530 Flying Book Entry

Bing Prefecture, Hu Pass.

Therefore, it became known as the Hu Pass, and it belonged to a county located within the Bing Prefecture. It was a dangerous place for Ji Prefecture to pass through, and with the steep nature of the Hu Pass, it was enough to fend off an army of one hundred thousand, making it hard for even birds to cross.

And on top of the walls of the Hu Pass