The Diablada or Danza de los Diablos (English: Dance of the Demons), is an original and typical dance from the region of Oruro in Bolivia. characterized by the mask and devil suit worn by the performers. The dance is a mixture of religious theatrical presentations brought from Spain and Andean religious ceremonies such as the Llama llama dance in honor of the Uru god Tiw (protector of mines, lakes, and rivers), and the Aymaran miners’ ritual to Anchanchu (a demon spirit of caves and other isolated places in Bolivia and Perú.
The Diablada’s origins are in Oruro, Bolivia. The dance is known in Puno in Peru, —it is also not uncommon for the dance to be used as a symbol for these country’s indigenous cultural identity. (from Wikipedia)