MagazineAug 7, 2018
The Lakota (Sioux) people mark the 150th anniversary of the Fort Laramie peace treaty between the Sioux Nation and United States government with a 400-mile horse ride from Green Grass, South Dakota, to Fort Laramie, Wyoming, where the treaty was signed.
A herd of horses runs through a river near Arvol Lookinghorse's home on the Cheyenne River Reservation in Green Grass, South Dakota, U.S., May 30, 2018. Arvol Lookinghorse owns a large herd of horses that he allows to run free on his land. STEPHANIE KEITH/REUTERS