Worship the God of the moving rocks.

[Niliscro]

I think it's someone who has a lot of time on their hands.

However, if this is a real phenomena: yes, it's very intriguing.

[Ad Bot]

[Riot]

 It is real.

[raptor360]

Or it could be an unknown race of burrowing insects that come out at night and move rocks so it doesn't make their tunnels cave in. (but that's my crazy theory)

ANTLIONS!!!!!!