I got the idea from a book about Egypt I was reading.
According to this book there's a theory that the pyramids and the Nile are the mirror image of the sky at ca. 10,500 B.C (Orion's belt & the milky way).
Hope you like it!
Desert/Pyramids bought from iStockphoto.com [link] ;
Nebulae stock [link] by *Moonchilde-Stock;
Planet [link] by `Hameed & [link] by ~Superiorgamer;
Moon brush and cloud brushes [link] by ~fabricate-stock;
Other cloud brushes [link] by ~Wearwolfaa
Meteor brush [link] by ~ForgottenFayth
Thank you so much for all the favs and comments!