The 10th international session of Initiatives for the Future of Great Rivers – IFGR (Initiatives pour l’Avenir des Grands Fleuves, IAGF), an organisation chaired by Erik Orsenna, member of the Académie Française, was held in Geneva from 27 October to 1 November 2021. The Bridge Tank took part in this meeting of dialogue and reflection on the theme of “River, Lake and City: the conditions for a successful alliance” through the presence of our Joël Ruet, President, and of our board member Hamed Semega, High Commissioner of the Senegal River Basin Development Organisation (OMVS), participating in this session in his capacity as member of the IFGR Rivers Committee.