But where did the ancient floodwater come from, how long did it last, and where did it go?

可是古时候的洪水从何而来，持续了多久，最后又去了哪里呢？

youdao

But where did the ancient floodwater come from, how long did it last, and where did it go?

可是古时候的洪水从何而来，持续了多久，最后又去了哪里呢？

youdao