NEWSPhotos: Unity preached at Oceti Sakowin Camp, pipeline protestFireworks go off in the Oceti Sakowin Camp close to the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball. Today, the Army Corps of Engineers denied Dakota Access an easement to cross the Missouri River.Brian Powers/The RegisterTribal leaders walk into the drum circle at the Oceti Sakowin Camp after the Army Corps of Engineers denied an easement to cross the Missouri River on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterVeterans walk down flag row in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterDemonstrators celebrate after the Army Corps of Engineers denied Dakota Access an easement to cross the Missouri River on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterDemonstrators celebrate after the Army Corps of Engineers denied Dakota Access an easement to cross the Missouri River on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterStanding Rock Sioux Tribal Council Chairman, Dave Archambault II greets demonstrators as they celebrate after the Army Corps of Engineers denied Dakota Access an easement to cross the Missouri River on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterTribal leaders walk into the drum circle at the Oceti Sakowin Camp after the Army Corps of Engineers denied Dakota Access an easement to cross the Missouri River on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterTribal leaders walk into the drum circle at the Oceti Sakowin Camp after the Army Corps of Engineers denied Dakota Access an easement to cross the Missouri River on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterDemonstrators chant around the drum circle at the Oceti Sakowin Camp after the Army Corps of Engineers denied Dakota Access an easement to cross the Missouri River on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterTribal leaders gather around the drum circle at the Oceti Sakowin Camp after the Army Corps of Engineers denied Dakota Access an easement to cross the Missouri River on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterTribal leaders gather around the drum circle at the Oceti Sakowin Camp after the Army Corps of Engineers denied Dakota Access an easement to cross the Missouri River on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterNative's play in a drum circle at the Oceti Sakowin Camp after the Army Corps of Engineers denied Dakota Access an easement to cross the Missouri River on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterDemonstrators walk the hills above the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterChief Arvol Looking Horse, listens as speakers address the crowd in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterThe Oceti Sakowin Camp by the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterThe Oceti Sakowin Camp by the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterTamara Sharp of Oakland, CA prays with other demonstrators at the Cannonball River during the morning prayer along the banks of the in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 in Cannon Ball.Brian Powers/The RegisterDemonstrators gather at the Cannonball River during the morning prayer in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 in Cannon Ball.Brian Powers/The RegisterFeather Sherman of Montana prays with other demonstrators at the Cannonball River during the morning prayer along the banks of the in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 in Cannon Ball.Brian Powers/The RegisterDemonstrators gather at the Cannonball River during the morning prayer in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 in Cannon Ball.Brian Powers/The RegisterDemonstrators gather at the Cannonball River during the morning prayer in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 in Cannon Ball.Brian Powers/The RegisterDemonstrators gather at the Cannonball River during the morning prayer in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 in Cannon Ball.Brian Powers/The RegisterAriel Wolansky, left, and Ashley Seday, right, both of Auburn, CA, embrace as they gather at the Cannonball River during the morning prayer in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 in Cannon Ball.Brian Powers/The RegisterFood donations sit ready to be taken in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterProfessor and speaker Cornel West waits to speak during an interfaith prayer circle in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterPeople gather to listen as Tribal and Religious leaders speak during an interfaith prayer circle in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterTribal and Religious leaders speak during an interfaith prayer circle in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterCornel West speaks during an interfaith prayer circle in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterCornel West speaks during an interfaith prayer circle in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterA group of native veterans arrive to an interfaith prayer circle in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterTribal and Religious leaders speak during an interfaith prayer circle in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterCornel West listens during an interfaith prayer circle in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterTribal and Religious leaders speak during an interfaith prayer circle in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterTribal and Religious leaders speak during an interfaith prayer circle in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterNative veterans listen as other speak at an interfaith prayer circle in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterTribal and Religious leaders speak during an interfaith prayer circle in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterTribal and Religious leaders speak during an interfaith prayer circle in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterPeople gather as tribal and religious leaders speak during an interfaith prayer circle in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterRiders on horseback gather as people speak during an interfaith prayer circle in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterMark Kruse of Duluth, MN helps load a truck with donations in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball. The donation tent where the items had been stored needs to be converted to housing so the donations had to be moved.Brian Powers/The RegisterTribal leaders gather around the Sacred Fire in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterChief Arvol Looking Horse listens as Cornel West speaks during an interfaith prayer circle in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterChief Arvol Looking Horse, left, and Cornel West, right, listen as speakers address the crowd in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterChief Arvol Looking Horse, listens as speakers address the crowd in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterA native singer plays for a crowd in the Oceti Sakowin Camp close to the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball. Today, the Army Corps of Engineers denied Dakota Access an easement to cross the Missouri River.Brian Powers/The RegisterDemonstrators gather to talk over issues, both within the camp and outside of it in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterDemonstrators gather to talk over issues, both within the camp and outside of it in the Oceti Sakowin Camp near the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball.Brian Powers/The RegisterCars continue to stream into the Oceti Sakowin Camp close to the Standing Rock Reservation on Sunday, Dec. 4, 2016 near Cannon Ball. Today, the Army Corps of Engineers denied Dakota Access an easement to cross the Missouri River.Brian Powers/The Register