Poaching my gig and name! Perfectly answered, however.
I’ve never heard of a living stone statue. I’ve head of plenty of items of all sizes and masses that are influenced by outside forces. ( See: Newton’s Three Laws of Motion. )
Actually, now that it’s increased reputation and likely human traffic, they can now just see if it’s rotating faster to tell if it’s because of vibrations from people.
I think it is a scam perpetrated by Egyptian priests thousands of years ago. As worshipers pass by, they see Whats his name with the rounded base turn to face the rising sun!