I think there are too many stone structures around the world to indicate they were made by hand. If they were made by hand, they must have involved chemistry to soften the stones or something because it would have been too laborious to have it done by hand and copper knives and abrasions.
Coast Of Chipiona In Cádiz is on the west side of spain, where the country juts out into the Atlantic ocean.
DemocRATS and sheep will finish the job that aliens gave up on.
I don’t believe these structors were built by humans alone.
We’re just not that smart, then and now.
On many stone structures the marks left by rotary drills and such can be seen. And some surfaces are flat to within 2 thousands of an inch. Impossible with hand tools. These things are as flat as modern truing tables. No way could they be produced by craftsmen with chisels.
You mean like the Pyramids?