This is the story of a lost medieval city you’ve probably never heard about. Benin City, originally known as Edo, was once the capital of a pre-colonial African empire located in what is now southern Nigeria. The Benin empire was one of the oldest and most highly developed states in west Africa, dating back to the 11th century. With its mathematical layout and earthworks longer than the Great Wall of China, Benin City was one of the best planned cities in the world when London was a place of ‘th