Craftspeople from cultures around the world use many different materials and techniques to design exquisite masks. A craftsperson from Sri Lanka carved the Gara Yaka mask in wood, creating a complex form. An artist from Kerala, India poured molten metal into a mold to create an intricate copper headpiece. The Kuskokwim Yupik peoples of Alaska carved the face of an amikuk mask from driftwood and painted it before assembling the outer rings with feathers and baleen. Bugaku is an ancient form of Japanese dance in which participants wear elaborate costumes and masks. The Tezcatlipoca mask represents one of the four creator deities of Mexico’s Aztec people. The surface is 
a mosaic, with small fragments of turquoise and black lignite affixed to a real human skull.