An incredible 5,000-acre "startup city" in East Africa has its own power grid, and water supply - and has ambitions to become a "small Europe". Tatu City, in Kenya, is one of many satellite cities...

Africa's new mega city is set be the next 'Silicon Valley' with £11 billion being put behind it. Also known as Silicon Savannah, Africa's newest technology hub is being built 39 miles south of...