A Native American man leads a protest march with veterans and activists outside the Oceti Sakowin camp at the Standing Rock Indian Reservation, near Cannon Ball, North Dakota, U.S., December 5, 2016.

A Native American man leads a protest march with veterans and activists outside the Oceti Sakowin camp at the Standing Rock Indian Reservation, near Cannon Ball, North Dakota, U.S., December 5, 2016.

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