Hair colours in human populations before european expansion Posted on 2020/05/19 by Carl Robitaille Hair colours in human populations before european expansion Map shows hair colours in human populations before european expansion (naturally the dark blue colour indicates jet black hair?). Source: https://t.co/BxUpTZpBuD pic.twitter.com/0URQWUpjtq— Simon Kuestenmacher (@simongerman600) July 27, 2019