According to science, people of the earth began in Africa, and the more people migrated around the world, the more physical changes would develop because of adaptations to certain areas. People who evolved in the same spot for a long time did not change much.
Just taught characterization today --- If you were writing about this girl what type of character might you create? What is her name? Where does she live? What are her hobbies? Who are her parents? Photo credit: Monika Manowska.