Drone footage shot on Friday revealed how the stretch of the Animas River near Silverton had changed colour, after an estimated one millions gallons of toxic waste from an environmental mine contaminated it. The wastewater, which is rich in heavy metals such as lead and cadmium as well as the poisonous arsenic, was unintentionally released while a team was working at a Gold King Mine entrance. READ MORE: http://on.rt.com/6omq<br /><br />COURTESY: RT's RUPTLY video agency, NO RE-UPLOAD, NO REUSE - FOR LICENSING, PLEASE, CONTACT http://ruptly.tv<br />RT LIVE http://rt.com/on-air<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.