Watch Bombuj. This documentary offers an overview of French scientific research in Africa French scientific research in Africa: hydrology, botany, biology oil palm and coconut cultivation, industrial sea fishing and and urban planning. Film montage taking stock of scientific research research in Africa, mainly in the fields of hydrology hydrology, botany, biology and agriculture. The film is a compilation of extracts from several short films made by Jean Rouch in Mali, Niger and Côte d'Ivoire between 1962 and 1963: Abidjan, port de pêche, Le Mil, Le Cocotier and Le Palmier à l'huile. l'huile.