AE19: Moving forward Ever since humans as we know them have existed , they have migrated across the globe. This migration started a mere 200 , 000 years ago from the very continent that nowadays is facing the greatest limitations in its travel capacities: Africa. One can't help but wonder how this has happened , why , and what effects this might have on the continent's cultures. Find out more about this year's theme , the first part of the program and more on [hidden] More Info below.