ADVERTISEMENT

Predjama Castle

Secrets of the cave world

An 'underworld' system with its unique karstic structures of astonishing stalactites and stalagmites is a feast for the eyes, writes Ranjita Biswas

23 November 2019, 20:15 IST

Secrets of the cave world

Secrets of the cave world

Secrets of the cave world

23 November 2019, 20:15 IST