Angelina Jolie is buying her own country to help impoverished Africans.The 'Tomb Raider' star, who is currently pregnant with boyfriend Brad Pitt's child, is buying Richard Branson's man-made version of Ethiopia, located in Dubai.The British business tycoon is having 300 country-shaped luxury island developments built, to form a map of the world.And the 55-year-old entrepreneur is selling parts of the 'world' to anyone rich enough to afford them.The 30-year-old actress, who is due to give birth early in May, is reportedly planning to turn her new purchase into a fair-trade paradise for hundreds of Africans.A source said: "Angelina has been obsessed with Ethiopia ever since she adopted her second child Zahara from there. Her friends are very jealous of her purchase."