Islamic State militants are not only exacting a human toll in the Middle East but also destroying many cultural heritage sites and priceless artifacts. Syria's ancient city of Palmyra is being reduced to ruins after the Islamist captured it back in May. br br RT LIVE br Subscribe to RT! br Like us on Facebook Follow us on Twitter Follow us on Instagram Follow us on Google+ Listen to us on Soundcloud: 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.