《太平广记·卷四百一十二·草木七》
说他们国家总是昏昏然不暗不明的，但是国门关口总是开着的。说他们的国家适于种五谷，名叫 日融泽 ，方圆三千里。
其国昏昏恒开。宜五谷，名日融泽，方三千里。
He said that their country was always dim and unclear, but the gates of the country were always open. According to him, their country was suitable for growing grains, and was called Ri Rongze, with a radius of three thousand li.