2-668-378 - © CM Dixon/Heritage Images

Oruro Mask, Bolivia. Mask from the Oruro region of Bolivia. La Diablada or Oruro Diablada is a typical Andean masked dance to appease the evil spirits. The slow movements represent the toil of the black slaves who worked the mines, often with little food or water. Their masks have enormous bulging eyes depicting the slaves’ inability to breathe at such high altitude.