Mauritania President Mohamed Ould Cheikh El Ghazouani listens at the end of the first roundtable during the One Planet Summit Biodiversity which is part of the World Nature Day on January 11, 2021 at the Elysee Palace in Paris. - Organised in cooperation with the United Nations and the World Bank, the summit aims at raising the level of ambition of the international community on the protection of nature, while responding to the new questions raised by the crisis. (Photo by Ludovic MARIN / various sources / AFP)