Not every billionaire was born rich. In fact, many of them became wealthy previously living in poverty.
Jaime Sanjuan Ocabo, the Spanish artist draws real masterpieces on the tablet.
Istanbul is a city with a centuries-old history, once the former capital of the Roman, Byzantine, Ottoman and other great empires.
Originally bricks are formed out of clay, but in Karaba, a small African village in the southwest of Burkina Faso, bricks are mined directly from the hills.