C431 Crescent formation
It was midnight when Han Huaichu and Zhang Er swam to the other side of the Spongy Water. The terrain here was much higher than the surrounding area. A bright moon hung in the sky, illuminating the distant mountains.
The source of the Spongy Water was the Taoyang Valley of Shouyang County, which was called the Taohe; a tributary of the northeast flowed to the vicinity of Pingding County