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.
Not every billionaire was born rich. In fact, many of them became wealthy previously living in poverty.
Every year @guardiantravelsnaps selects the best mobile photos from around the world.
Istanbul is a city with a centuries-old history, once the former capital of the Roman, Byzantine, Ottoman and other great empires.