Pobiti Kamani

Pobiti Kamani (Bulgarian: Побити камъни) is a rock phenomenon located in Varna Province, Bulgaria, on the road between Varna and Sofia around several villages just west of Varna. It consists of several groups of natural rock formations on a total area of 7 km². The formations are mainly stone columns between 5 and 7 metres high and from 0.3 to 3 metres thick. The columns do not have solid foundations, but are instead hollow and filled with sand, and look like they are stuck into the surrounding sands, which gives the phenomenon its name.

• http://en.wikipedia.org/wiki/Pobiti Kamani