Bill Rack, of Wauwatosa, Wis., releases tobacco at the edge of the Cannonball river during a Native American water ceremony at the Oceti Sakowin camp where people have gathered to protest the Dakota Access oil pipeline in Cannon Ball, N.D., Friday, Dec. 2, 2016. According to Native American beliefs, tobacco is used to open a barrier between the physical and the spiritual worlds. (AP Photo/David Goldman)
{}