[heights]

Yup, when I was twelve, my Mom and I saw an island in the shy, complete with Palm Tree.

[Jamestown1630]

There are photos of whole city skylines:

https://motherboard.vice.com/en_us/article/wnjwmq/a-rare-mirage-looks-like-a-cloud-city-floating-above-china

I imagine it must have seemed very strange and frightening when ancient people saw these things and didn’t understand them.