Bloque de apartamentos circular en Hillbrow, Johannesburgo - Fotografía de stock

Circular residential block with the iconic Telkom communication tower in the distance, in Hillbrow, Johannesburg. Johannesburg is one of the forty largest metropolitan cities in the world, and the world's largest city that is not situated on a river, lakeside, or coastline. It is also the source of a large-scale gold and diamond trade, due to being situated in the mineral-rich Gauteng province.