![Randy Olson](https://i0.wp.com/pbs.twimg.com/ext_tw_video_thumb/1108031128814927877/pu/img/xQHyPyD5mnpEiY8j.jpg?w=660&ssl=1)
10 most populous cities in the world from 1500-2018. #datavizhttps://t.co/vtGEBVLdYk pic.twitter.com/uvIkuE4VDI
— Randy Olson (@randal_olson) March 19, 2019
10 most populous cities in the world from 1500-2018. #datavizhttps://t.co/vtGEBVLdYk pic.twitter.com/uvIkuE4VDI
— Randy Olson (@randal_olson) March 19, 2019