Bismarck, North Dakota - Sept 6, 2016
Boys swim in the Cannonball River, which runs off of the Missouri River, which many fear will be polluted by a North Dakota Access Pipeline spill.
In a historic gathering of more than a hundred Native American tribes from across North America, protestors are rallying to stop the pipeline they fear will poison the Missouri River, which runs through the Standing Rock Sioux reservation.
CREDIT: Alyssa Schukar for Yahoo News