We take a trip to the Urals to see the natural beauty and explore all the bends and underground wonders of the Kungur ice cave! It has captured the interest of many scientists internationally. And it's no wonder: this cave is considered one of the most beautiful ice caverns in the world. Anybody who comes here could find an unknown grotto or come across a unique crystal. Not to mention the singing stone... Find out what could happen if you knock on it – only on RTDoc.<br /> <br /><br />RT LIVE http://rt.com/on-air<br /><br />Subscribe to RT! http://www.youtube.com/subscription_center?add_user=RussiaToday<br /><br />Like us on Facebook http://www.facebook.com/RTnews<br />Follow us on Twitter http://twitter.com/RT_com<br />Follow us on Instagram http://instagram.com/rt<br />Follow us on Google+ http://plus.google.com/+RT<br />Listen to us on Soundcloud: https://soundcloud.com/rttv<br /><br />RT (Russia Today) is a global news network broadcasting from Moscow and Washington studios. RT is the first news channel to break the 1 billion YouTube views benchmark.
