Looks like a giant can't get his marble out.A cool photo motif,
On the information board reads: "There are powerful rock massifs of the White Jura ago, which are strongly divided by fissures, which gives the viewer the impression of a city with individual buildings and towers."
This stone ball between the rocks looks very strange. You have to have a look when you are in the "Stone City".
The rock ball has a diameter of about 50 cm and hangs between two rocks
The rock ball is worth seeing, but the Stone City has so many great rock formations to offer, so I wouldn't call the ball as Priority 1.