Small group of Igbo wood-masked dancers in various raffia and leaf costumes, Ugwuoba village, Nigeria.' Simon Ottenberg, 1959. Smithsonian. In 1959, anthropologist Simon Ottenberg documented a small group of Igbo wood-masked dancers in Ugwuoba village, Nigeria. These dancers wore elaborate costumes made of raffia and leaves, which are traditional materials commonly used in masquerades across various…