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Africa is the second largest continent, in both area and population, behind only Asia. Around 80% of the people of Africa live in the Sahara Desert, which is the world's largest desert, and is bigger than the entire United States. It is widely accepted human life originated on Africa, likely near the Nile River region.
Although it is now made up of 56 independent countries, for most of history Africa had no real divisions, and was merely inhabited by many tribal groups, with the possible exception of Egypt. It remained like this until European explorers arrived in the 14th century, and within a few hundred years they began active occupation, creating their own states, with boundaries that are mostly still intact, although the leaderships and governments are different.
Interestingly, though many people throughout the world think of Africans as "black", there are quite diverse peoples, and many, especially in the north and south are not black as the West would think. In fact, there are large Arab populations in north Africa.
In addition to the places normally associated with Africa, like the Sahara and the jungles, there is much more diversity than that. You can find beaches, mountains, of course the Pyramids of Egypt, Morocco, and much more.