East New Britain, Papua New Guinea. Barkcloth, bamboo, red and black natural dyes - Baining people from New Britain create large barkcloth masks to represent spirits of leaves, trees, animals and insects. The masks are traditionally worn during harvest time in ceremonial dances lasting all day and night. This style of mendaska mask, made by the Uramot people, is worn during daytime ceremonies associated with female fertility, mourning and important community events.