Did you know the Edo people constructed an Attack on Titan-esque settlement with walls stretching 16,000 kilometres during the time when "London was a place of ‘thievery and murder'"?
https://www.theguardian.com/cities/2016/mar/18/story-of-cities-5-benin-city-edo-nigeria-mighty-medieval-capital-lost-without-traceAs amazing as it is they had the wherewithal to build something as substantial as this, it doesn't help that they were too incompetent to keep it running. Then again I guess the whole colonialism shebang also contributed to its downfall
