Infographic: [x-post /r/DataArt] 200 Years of U.S. Immigration Looks Like the Rings of a Tree

https://i.imgur.com/xKGkjmr.png via /r/Infographics https://www.reddit.com/r/Infographics/comments/9rclde/xpost_rdataart_200_years_of_us_immigration_looks/?utm_source=ifttt