People exchange the food they have grown for clothing and other things. The Tuareg are are among the few people who can stand the blazing sun of the Sahara desert. They are wanderers who live in tents and herd camels and goats. The Masai are tall, slender nomadic herders from Kenya. They paint themselves with red ochre and wear elaborate brass collars and bracelets and bead necklaces.
Gold is South Africa's main export.
Some black South Africans travel huge distances each day to work in the Transvaal mines. Sorghum is a kind of corn grown widely in the drier areas around the edges of the forests. It is used to make bread. Poverty and famine Africa contains the most desperately poor people in the world. Even in countries that earn a good deal, like South Africa, many live in dire poverty, crowded into ramshackle huts with no furniture, no power and ragged clothes.