World's Longest Sandstone Cave | It Happens Only in India | National Geographic

With a staggering length of 24.5 km, almost three times the height of Mt. Everest, the Krem Puri cave is the longest sandstone cave in the world. Know more about it on It Happens Only in India, every Saturday at 12 PM, on National Geographic. #NatGeoIndia . Subscribe to Nat Geo India: http://bit.ly/NatGeoIndiaSubscribe ► Connect with National Geographic India for more: ◼ Facebook: http://bit.ly/NatGeoIndiaFB ◼ Instagram: ◼ Twitter: http://bit.ly/NatGeoIndiaTwitter #NatGeoIndia