What are the 'Floating Islands'?

[Flame_Knights]

Originally Posted by CheshireBitch

That is very interresting Flame_knights !
I would like to read more about this if you have links, or maybe even books about it ?

https://en.wikipedia.org/wiki/Mount_Penglai
This is the wikipedia page for Penglai, a typical chinese mirage legend. Of course, that's not all
Other than that, I didn't find any more information in English.
I'll write something later, if anyone wants to understand the cultural background behind it.