Standing Rock Sioux Tribe protests oil pipeline(01 of22)
Open Image ModalNative Americans march to a sacred burial ground that was disturbed by bulldozers building the Dakota Access Pipeline (DAPL), near the encampment where hundreds of people have gathered to join the Standing Rock Sioux Tribe's protest of the oil pipeline slated to cross the nearby Missouri River, September 4, 2016 near Cannon Ball, North Dakota. Protestors were attacked by dogs and sprayed with an eye and respiratory irritant yesterday when they arrived at the site to protest after learning of the bulldozing work. (credit:ROBYN BECK via Getty Images)
Standing Rock Sioux Tribe protests oil pipeline(02 of22)
Open Image ModalRon His Horse Is Thunder, a spokesman for the Standing Rock Sioux Tribe, explains the tribe's opposition to the Dakota Access Pipeline (DAPL), during an interview with AFP at an encampment of Native Americans and their supporters near Cannon Ball, North Dakota, September 4, 2016. (credit:ROBYN BECK via Getty Images)
Standing Rock Sioux Tribe protests oil pipeline(03 of22)
Open Image ModalFlags of Native American tribes from across the US and Canada line the entrance to a protest encampment near Cannon Ball, North Dakota, where members of the Standing Rock Sioux Tribe and their supporters have gather to voice their opposition to the Dakota Access Pipeline (DAPL), September 3, 2016. (credit:ROBYN BECK via Getty Images)
Standing Rock Sioux Tribe protests oil pipeline(04 of22)
Open Image ModalA volunteer moves food supplies in the main kitchen area of the Standing Rock Sioux protest encampment near Cannon Ball, North Dakota where members of the tribe and their supporters have gathered to voice their opposition to the Dakota Access Pipeline (DAPL), September 3, 2016. (credit:ROBYN BECK via Getty Images)
Standing Rock Sioux Tribe protests oil pipeline(05 of22)
Open Image ModalDana Yellow Fat of the Standing Rock Sioux tribe welcomes newly arrived supporters at a protest encampment near Cannon Ball, North Dakota where members of the tribe and their supporters have gathered to voice their opposition to the Dakota Access Pipeline (DAPL), September 3, 2016. (credit:ROBYN BECK via Getty Images)
Standing Rock Sioux Tribe protests oil pipeline(06 of22)
Open Image ModalA Standing Rock Sioux flag flies over a protest encampment near Cannon Ball, North Dakota where members of the Standing Rock Sioux tribe and their supporters have gathered to voice their opposition to the Dakota Access oil Pipeline (DAPL), September 3, 2016. (credit:ROBYN BECK via Getty Images)
Standing Rock Sioux Tribe protests oil pipeline(07 of22)
Open Image ModalA youth rides a horse along a fenced off area of land for a new oil pipeline, near Cannon Ball, North Dakota where members of the Standing Rock Sioux tribe and their supporters have gathered to voice their opposition to the Dakota Access Pipeline (DAPL), September 3, 2016.Drive on a state highway along the Missouri River, amid the rolling hills and wide prairies of North Dakota, and you'll come across a makeshift camp of Native Americans -- united by a common cause. Members of some 200 tribes have gathered here, many raising tribal flags that flap in the unforgiving wind. Some have been here since April, their numbers fluctuating between hundreds and thousands, in an unprecedented show of joint resistance to the nearly 1,200 mile-long Dakota Access oil pipeline. (credit:ROBYN BECK via Getty Images)
Standing Rock Sioux Tribe protests oil pipeline(08 of22)
Open Image ModalNative Americans ride with raised fists to a sacred burial ground that was disturbed by bulldozers building the Dakota Access Pipeline (DAPL), near the encampment where hundreds of people have gathered to join the Standing Rock Sioux Tribe's protest of the oil pipeline slated to cross the nearby Missouri River, September 4, 2016 near Cannon Ball, North Dakota. Protestors were attacked by dogs and sprayed with an eye and respiratory irritant yesterday when they arrived at the site to protest after learning of the bulldozing work. (credit:ROBYN BECK via Getty Images)
Standing Rock Sioux Tribe protests oil pipeline(09 of22)
Open Image ModalEvan Butcher of the Chippewa Tribe plays basketball with younger boys September 4, 2016 at the encampment near Cannon Ball, North Dakota where hundreds of people have gathered to join the Standing Rock Sioux Tribe's protest of the Dakota Access Pipeline (DAPL) that is slated to transport approximately 470,000 barrels of oil per day from the Bakken Oil Field in North Dakota to refineries in Illinois. (credit:ROBYN BECK via Getty Images)
Standing Rock Sioux Tribe protests oil pipeline(10 of22)
Open Image ModalYouths hold signs in English and the Najavo language before the start of a march to a burial ground sacred site that was disturbed by bulldozers building the Dakota Access Pipeline (DAPL), near the encampment where hundreds of people have gathered to join the Standing Rock Sioux Tribe's protest of the oil pipeline that is slated to cross the Missouri River nearby, September 4, 2016 near Cannon Ball, North Dakota. (credit:ROBYN BECK via Getty Images)
Standing Rock Sioux Tribe protests oil pipeline(11 of22)
Open Image ModalNative Americans march to a burial ground sacred site that was disturbed by bulldozers building the Dakota Access Pipeline (DAPL), near the encampment where hundreds of people have gathered to join the Standing Rock Sioux Tribe's protest of the oil pipeline that is slated to cross the Missouri River nearby, September 4, 2016 near Cannon Ball, North Dakota. (credit:ROBYN BECK via Getty Images)
Standing Rock Sioux Tribe protests oil pipeline(12 of22)
Open Image ModalPeople sign a teepee with words of support for protestors at an encampment where hundreds of people have gathered to join the Standing Rock Sioux Tribe's protest against the construction of the Dakota Access Pipe (DAPL), near Cannon Ball, North Dakota, on September 3, 2016.The Indian reservation in North Dakota is the site of the largest gathering of Native Americans in more than 100 years. Indigenous people from across the US are living in camps on the Standing Rock reservation as they protest the construction of the new oil pipeline which they fear will destroy their water supply. (credit:ROBYN BECK via Getty Images)
Standing Rock Sioux Tribe protests oil pipeline(13 of22)
Open Image ModalBoys enjoy a late afternoon horseback ride at an encampment where hundreds of people have gathered to join the Standing Rock Sioux Tribe's protest against the construction of the Dakota Access Pipe (DAPL), near Cannon Ball, North Dakota, on September 3, 2016. (credit:ROBYN BECK via Getty Images)
Standing Rock Sioux Tribe protests oil pipeline(14 of22)
Open Image ModalAlan Carter, 29, of the Cheyenne River Sioux Tribe in grass dancer garb poses for a photograph at an encampment where hundreds of people have gathered to join the Standing Rock Sioux Tribe's protest against the construction of the Dakota Access Pipe (DAPL), near Cannon Ball, North Dakota, on September 3, 2016.The Indian reservation in North Dakota is the site of the largest gathering of Native Americans in more than 100 years. Indigenous people from across the US are living in camps on the Standing Rock reservation as they protest the construction of the new oil pipeline which they fear will destroy their water supply. (credit:ROBYN BECK via Getty Images)
Standing Rock Sioux Tribe protests oil pipeline(15 of22)
Open Image ModalLamar Armstrong of the Mojave Paiute (R) instructs graduate student Tyesha Ignacio of the Najavo Nation (L) how to prepare donated bison meat in the main kitchen area of the Standing Rock Sioux protest encampment near Cannon Ball, North Dakota where members of the tribe and their supporters have gathered to voice their opposition to the Dakota Access Pipeline (DAPL), September 3, 2016.Drive on a state highway along the Missouri River, amid the rolling hills and wide prairies of North Dakota, and you'll come across a makeshift camp of Native Americans -- united by a common cause. Members of some 200 tribes have gathered here, many raising tribal flags that flap in the unforgiving wind. Some have been here since April, their numbers fluctuating between hundreds and thousands, in an unprecedented show of joint resistance to the nearly 1,200 mile-long Dakota Access oil pipeline. (credit:ROBYN BECK via Getty Images)
Standing Rock Sioux Tribe protests oil pipeline(16 of22)
Open Image ModalNantinki Young of the Rosebud Sioux tribe, the head cook supervising all the kitchens poses for a photograph at an encampment where hundreds of people have gathered to join the Standing Rock Sioux Tribe's protest against the construction of the Dakota Access Pipe (DAPL), near Cannon Ball, North Dakota, on September 3, 2016. (credit:ROBYN BECK via Getty Images)
Standing Rock Sioux Tribe protests oil pipeline(17 of22)
Open Image ModalPeople gather at an encampment by the Missouri River, where hundreds of people have gathered to join the Standing Rock Sioux Tribe's protest against the construction of the Dakota Access Pipe (DAPL), near Cannon Ball, North Dakota, on September 3, 2016. (credit:ROBYN BECK via Getty Images)
Standing Rock Sioux Tribe protests oil pipeline(18 of22)
Open Image ModalA view of a protest encampment near Cannon Ball, North Dakota where members of some 200 Native American tribes from across the US and Canada have gathered to lend their support to the Standing Rock Sioux Tribe's opposition to the Dakota Access Pipeline (DAPL, September 3, 2016. (credit:ROBYN BECK via Getty Images)
Standing Rock Sioux Tribe protests oil pipeline(19 of22)
Open Image ModalA protestor leans on a fence blocking access to a construction site for a new oil pipeline near an encampment where hundreds of people have gathered to join the Standing Rock Sioux Tribe's protest against the construction of the Dakota Access Pipe (DAPL), near Cannon Ball, North Dakota, on September 3, 2016. (credit:ROBYN BECK via Getty Images)
Standing Rock Sioux Tribe protests oil pipeline(20 of22)
Open Image ModalWomen and girls from the Colorado River Indian tribes dance after arriving at a protest encampment near Cannon Ball, North Dakota to lend their support to the Standing Rock Sioux Tribe's opposition to the Dakota Access Pipeline (DAPL) September 3, 2016. (credit:ROBYN BECK via Getty Images)
Standing Rock Sioux Tribe protests oil pipeline(21 of22)
Open Image ModalMembers of Colorado River Indian tribes arrive in a procession at a protest encampment near Cannon Ball, North Dakota to lend their support to the Standing Rock Sioux Tribe's opposition to the Dakota Access Pipeline (DAPL) September 3, 2016. (credit:ROBYN BECK via Getty Images)
Standing Rock Sioux Tribe protests oil pipeline(22 of22)
Open Image ModalProtestors march to a construction site for the Dakota Access Pipeline to express their opposition to the pipeline, at an encampment where hundreds of people have gathered to join the Standing Rock Sioux Tribe's to protest against the construction of the new oil pipeline, near Cannon Ball, North Dakota, on September 3, 2016. (credit:ROBYN BECK via Getty Images)