Senegal hosts major exhibition of African contemporary art The 13th edition of the Dak'Art Biennale, one of the continent's biggest exhibitions of African contemporary art, opens in the Senegalese capital. From May 5 to June 2, more than one hundred artists from across the continent will exhibit their work and perform. The theme of this year's biennale is "The Red Hour", an expression taken from a play by Aimé Césaire which talks about freedom and responsibility. IMAGES AND SOUNDBITES