Recharge

I've always thought that my symmetrical building pictures looked like some sort of space ship floating above the earth.  I thought I'd give them somewhere to recharge.  I think it makes for a nice book cover. :-)

Has anyone read N K Jemisin's Fifth Season?  This image reminds me of it  - there are obelisks floating above a planet, and no one knows where they came from, they've just always been there.