You aren't well versed in ancient history it seems. Take a look at the links below..
Why? Why fly across the galaxy to grafitize a corn field?
How else would they give us subtle hints without alarming us? What if they HAVE sent OTHER signals that have been ignored or silenced by "scientists", either on orders or out of sheer denial? MANY ancient relics have been either destroyed or labeled as "hoaxes" when the evidence didn't fit the current model of what is true and how things should be.
And please no "sacred geometry" crap, I've tried to read those things but every time I do I fall out of my chair in just a couple of paragraphs; very little in this world is sillier than "sacred geometry".
You probably have no idea what "sacred geometry" really is..
You probably have no idea what "sacred geometry" really is..An allusion to pure pseudo-scientific pabulum from someone who probably can't change his own flashlight's batteries without detailed instructions pulled off a website ...