Language : english and french are the official languages ; there are approximately 200 african tribal dialects , maily languages used respectively by the fulani douala and bemileke people .
Authorities who have been to the crash site say the plane plunged nose first into a muddy mangrove forest about 20 kilometers from the coastal city of douala .
去过出事地点的有关官员说,飞机在跌落时机头栽进了距离海滨城市杜阿拉机场20公里的一个红树林沼泽地。
The plan was to carry 1600 crates of guinness and other drinks from the factory in douala where they were brewed to bertoua , a small town in cameroon 's south-eastern rainforest .