Beneath the metropolis that is Moscow, lies a second, underground city - a labyrinthine network of mysterious tunnels and hidden passageways. While few of those above ground are aware of its existence, a group of explorers who call themselves the diggers have made it their mission to unearth the capital's many subterranean secrets. RT's Maria Finoshina joined the expedition.<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 /><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.
