<P> Male head, 550 - 50 BC, terracotta, Brooklyn Museum (New York City, USA). The mouth of this head is slightly open . It maybe suggests speech, that the figure has something to tell us . This is a figure that seems to be in the midst of a conversation . The eyes and the eyebrows suggest an inner calm or an inner serenity . </P> <Li> <P> Nigeria, cultura nok, figura maschile, c. 5000 ac--200 dc . </P> </Li> <P> Nigeria, cultura nok, figura maschile, c. 5000 ac--200 dc . </P> <P> The Igbo produce a wide variety of art including traditional figures, masks, artifacts and textiles, plus works in metals such as bronze . Artworks form the Igbo have been found from as early as 9th century with the bronze artifacts found at Igbo Ukwu . </P>

1. what are three of the rock art periods in africa describe each