'Lakota Declaration of War' ", News From Indian Country, Indian Country Communications, Inc. In 1995, efforts to continue practicing the ceremony on a tract of unceded Secwepemc land led to an armed confrontation known as the Gustafsen Lake standoff. In 2003, the 19th-Generation Keeper of the Sacred White Buffalo Calf Pipe of the Lakota asked non-Indigenous people to stop attending the Sun Dance (Wi-wayang-wa-c'i-pi in Lakota); he stated that all can pray in support, but that only Indigenous people should approach the altars. This statement was supported by keepers of sacred bundles and traditional spiritual leaders from the Cheyenne, Dakota, Lakota, and Nakota nations, who issued a proclamation that non-Indigenous people would be banned from sacred altars and the Seven Sacred Rites, including and especially the sun dance, effective March 9, 2003 onward: Filming In most Sun Dance cultures, it is forbidden to film ceremony or prayer. Few images exist of authentic ceremonies. Many First Nations people believe that when money or cameras enter, the spirits leave, so no photo conveys an authentic ceremony. The Kainai Nation in Alberta permitted filming of their Sun Dance in the late 1950s. This was released as the documentary Circle of the Sun (1960), produced by the National Film Board of Canada. Manitoba archival photos show that the ceremonies have been consistently practiced since at least the early 1900s. See also Great Race (Native American legend) References Group dances Ritual dances Native American religion First Nations culture Indigenous peoples of the Great Plains Religion in Canada Native American dances