Football shaped stalagmite

Prometheus Cave Natural Monument (Georgian: პრომეთეს მღვიმე) also known as Kumistavi Cave (Georgian: ყუმისთავის მღვიმე) and Tsqaltubo Cave (Georgian: ღლიანის მღვიმე) is a karst cave located in Tsqaltubo Municipality in Imereti region of Georgia. The total length of the cave is about 11 km, of which 1060 m are open to visitors. Cave has total of 22 halls of which six are currently open to tourists.