Cheyenne chiefs gather with thousands of other American Indians on the National Mall for the start of the Native Nations Procession to help dedicate the Smithsonian’s National Museum of the American Indian. (J. Scott Applewhite / AP)
Cheyenne River Sioux Tribe members Forest River Dog, 10 , right, and Jessup Yazzie, 5, from the Cheyenne River Reservation of South Dakota. (Pablo Martinez Monsivais / AP)
Members of the Cheyenne Arapaho tribe of Ohio take part in the Native Nations Procession. (Alex Wong / Getty Images)
Red Chief Stronghorse, of the New Jersey Cherokee Nation, walks along in the Native Nations Procession. (Pablo Martinez Monsivais / AP)
Loreta Mana, right, of San Francisco, offers incense to a fellow Aztec. (J. Scott Applewhite / AP)
Members of the Cheyenne River Sioux Tribe of the Cheyenne River Reservation of South Dakota. (Pablo Martinez Monsivais / AP)
San Francisco area Aztecs dance on the National Mall for the start of the Native Nations Procession. (J. Scott Applewhite / AP)
A San Francisco area Aztec dances on the National Mall. (J. Scott Applewhite / AP)
Wearing a headdress of pheasant and macaw feathers, Jorge Medina of San Jose and other Aztecs dance on the National Mall. (J. Scott Applewhite / AP)
Lanny Asepermy from the Camanche tribe in Apache, Okla. participates in the procession on the National Mall. (Pete Souza / Chicago Tribune)
Northern Arapahoe Indians from Washakie, Wyo., prepare to take part in the Native Nations Procession. (Shawn Thew / EPA)
Members of the Mexica Aztec Tribe take part in the Native Nations Procession during the opening ceremony of the Smithsonian National Museum of the American Indian. (Alex Wong / Getty Images)
Lidia Doniz of the Aztec Nation wears a traditional headdress featuring an alligator’s head. (Jason Reed / AP)
