《太平广记·卷四百零二·宝三》
珠池在海边，人们都怀疑池底与海是相通的。但是池水极深，不可探测。
池在海上，疑其底与海通，又池水极深，莫测也。
Zhuchi is located by the sea, people all doubted that the bottom of the pond was connected to the sea. However, the pond was extremely deep, and could not be detected.