“I know exactly what that is. It is called, in technical parlance, “jack shit.” Another name would be “eroded rock outcropping buried in ages worth of silt.””
Or, if you have enough pictures of enough different places, a few will look like there’s some kind of pattern to them.
Could be the Titans were just skipping stones several Millennia ago, but 300 ft diameter flat stones are just too hard to find...
“It’s an espressso machine ....no, no, this is a snow cone maker.”