Second Hill Of The Stob Pyramids (Bulgaria) Are A Natural Rock Phenomenon (A Set Of Earth Pyramids). The Pyramids Are Rock Formations Up To 12 M (39 Ft) High And Around 40 Cm (16 In) Thick At The Base. They Vary In Shape From Sharp Through Conical To Mushroomlike. Some Of The Columns Are Topped By Flat Stones.

KEYWORDS

around attraction base bulgaria columns conical earth flat formations high hill land landmark mountain mushroomlike natural phenomenon pyramid pyramids rock second shape sharp stob stone stones thick topped tourist vary