《太平广记·卷五十四·神仙五十四》
还有天台山的东侧也有洞，进去十多里，有居民、集市和店铺，店铺大多卖饮食。
与此无异，又天台山东有洞，入十余里，有居人市肆，多卖饮食。
There is also a cave on the east side of Mount Tiantai, you can go ten li into it, and there are residents, markets, and shops, and most of the shops sell food.