An Interesting View Of The History of Immigration......
from a friend of mine. His work made it to National Geographic. The different colors represent different regions of origin.
200 Years of U.S. Immigration Looks Like the Rings of a Tree
From policy particulars to deep questions of morality, the issue of immigration in the United States has come up with fierce urgency in recent weeks.
But todays immigration battles take place within a long, slowly accruing history that is difficult to grasp in its sheer scale and complexity. Tens of millions of people who represent every corner of the globe have immigrated to the U.S. over the last two centuries. The picture that emerges over time can resembles a living organism, which inspired this graphic.
Trees annual growth rings reflect varying environmental conditions, and these forms are not perfect circles or ellipses. The algorithm for this immigration graphic is inspired by the regular shifts and irregular shapes of these natural organisms.
https://www.nationalgeographic.com/culture-exploration/2018/07/graphic-united-states-immigration-origins-rings-tree-culture/?cmpid=org%3Dngp%3A%3Amc%3Dsocial%3A%3Asrc%3Dtwitter%3A%3Acmp%3Deditorial%3A%3Aadd%3Dtw20180703culture-immigrationvisualization%3A%3Aurid%3D&sf193051029=1