See 200 Years of Immigration in the United States as a Graphic of a Growing Tree

See 200 Years of Immigration in the United States as a Graphic of a Growing Tree
▻https://www.nationalgeographic.com/culture-exploration/2018/07/graphic-united-states-immigration-origins-rings-tree-culture/?cmpid=org=ngp::mc=social::src=twitter::cmp=editorial::add=tw201

These data visualizers imagined each era of U.S. immigration as a ring in a growing tree trunk.

https://www.nationalgeographic.com/interactive-assets/nggraphics/ngnews-immigration-tree-rings/build-2018-07-03_12-33-28/ngm-assets/img/ngnews-immigration-tree-rings_ai2html-desktop-medium.jpg