The “Ancestral Footprints of Grand Canyon National Monument” will preserve thousands of cultural sites sacred to tribal nations and will permanently prevent the mining of uranium on the land. SUBSCRIBE to ABC News on YouTube: bit.ly/2vZb6yP Latest updates: abcnews.go.com Watch FULL EPISODES on Hulu: abcn.ws/3bzvQQn #biden #culturalsites #tribalnations #grandcanyon #gma #abcnews