http://www.google.com/search?q=stone+of+the+pregnant+woman&sa=X&oi=image_result_group&tbm=isch
https://www.ancient-origins.net/opinion-guest-authors/forgotten-stones-baalbek-lebanon-001865
This was one of the places they addressed on that show debunking aliens!!
Some say it was possible, some say it wasn’t possible.
But didn’t the Romans move Yuge stones and we know there were no aliens then?
I think the fun part is we will never know and can always discuss it :)