French President Francois Hollande (C) surrounded by African leaders, from L-R, President of the African Development Bank (AfDB) Akinwumi Adesina, Guinea's President Alpha Conde, Benin's President Boni Yayi, Gabon's President Ali Bongo Ondimba, President John Dramani Mahama of Ghana, and Prime Minister of Ethiopia Hailemariam Desalegn before the opening of a pre-COP21 working lunch at the Elysee Palace in Paris, France, November 10, 2015. REUTERS/Philippe Wojazer