Ask freeper **PIF** all about the gleaming African coastal cities of yore, packed with running household water and sewage systems, and how those cities were sooo far ahead in tech and organization than coastal European cities of the time..!
The Portugese first on-scene were BEGGING to just stay forever, it was so cushy..!
You might say Africa of the time made them all feel like KANGZ..!
He can even point out BOOKS that told him so!
NO DICE. Africans NEVER invented the wheel, or arch, or much of anything else prior to the evil White man's arrival.