Bending to pick up fallen coins, a women turns to see who's calling her. Silhouettes in the background come and go in the bustling market. John Atta Mensah works in bright colors to paint an intriguing Ghanaian scene. The geometric motifs suggest busy movement in a lively and lovely work of art. "What I want to say is that there is so much noise in the market place that some shout," the artist says.