Africa to the South of Sahara represents a uniform , special historical and cultural civilizational zone with comparable cultural features, many of which were determined by natural settings in which they developed. The geographical features of continent have caused significant similarity of elements of culture of African peoples. Local African cultures have united in themselves flock of ways of the best adaptation to life in conditions of the African nature and the African cultural reality (kinds of economic activities, industrial skills, a set of agricultural crops, features of dwelling, a set of medical products, etc., and also the attitude of the person to an environment). Therefore the big attention in a rate is given to the natural-geographical factors in formation of culture of African peoples.
During the long interaction and interference many common features of culture as material, and substantially spiritual were generated, that enables to consider certain common laws of processes of formation, development and interaction of cultures of peoples of continent.
Peoples to the South of Sahara integrated in the big African tropical historical-ethnographic province which, in turn, shares on the historical-ethnographic areas which are not introducing, however, full unity. Their racial, language, ethnic variety also has resulted in occurrence of local African cultures.
Thus, by the example of separate African civilizations it is possible to see both cultural features of everyone, and that is common that unites them into the African civilization, to see unity in variety of concrete displays.
The Central Africa (Equatorial Africa) is the natural country in Africa, covering mainly Congo, a hollow and plateaus framing it (height of 500-1000 m in the North and the West, 1000-1500 m and more in the South and the East); in the West it adjoins to the Atlantic Ocean and the Gulf of Guinea.
Climate on the most part of equatorial territory is constantly wet; sediments are over 1500 mm per year. The rich and abounding in fluvial water net belongs basically to a water-collecting area of Congo (Zaire). There are wet aiphyllous and leaf-folling-aiphyllous tropical forests.
Within the limits of the Central Africa there are in full or in part located such states as : Cameroon, Equatorial Guinea, CAR, Gabon, Congo, Zaire, Angola, Zambia, the Dignity – Tome and Principe.