Mambila statue. Despite their small numbers, the thirty thousand Mambila (or Mambilla, Mambere, Nor, Torbi, Lagubi, Tagbo, Tongbo, Bang, Wheat, Juli, Bea), located in northwestern Cameroon, have created a large number of masks and statues easily identifiable with their heart-shaped face. There are still a great production of earthenware, reflecting the influence of ancient civilization Sao further north into Chad.