Video shows daring cleaning of St. Louis' Gateway Arch - KCTV5

ST. LOUIS (CNN) - A video released by the U.S. National Park Service shows the nerve-racking job of cleaning the iconic Gateway Arch in St. Louis.

Read more: http://www.kctv5.com/story/29314803/video-shows-daring-cleaning-of-st-louis-gateway-arch#ixzz3d7qzGFCW



Video shows daring cleaning of St. Louis' Gateway Arch - KCTV5