Through the ages, great civilizations rose and fell in what was once called "darkest" Africa, leaving behind mysterious fortresses and splendid art. Christianity and Islam battled age-old beliefs - and each other. Traders on camels were followed by explorers in caravels and by a plague of invaders, hungry for ivory and diamonds and the "black gold" of slavery. In just the last half century, independence has swept away the old maps and colonial ways to jar the balance of the world.
Here is Africa's story.