Four Times Longer Than China’s Wall – Great Walls Of Benin And Its Destruction By The British In 1897

The ancient walls of Benin, which is the largest and second longest human-made walls was built over 600 years (800 A.D – 1400 A. D) at the southern border of the Benin Kingdom. According to archeologists, it took the villagers 150 million hours of digging to construct what was widely regarded as the largest archaeological…