Immigration in the United States visualized as rings of tree trunk
Pedro M. Cruz, John Wihbey, Avni Ghael and Felipe Shibuya from Northeastern University used a tree metaphor to represent a couple centuries of immigration in the United States:
Like countries, trees can be hundreds, even thousands, of years old. Cells grow slowly, and the pattern of growth influences the shape of the trunk. Just as these cells leave an informational mark in the tree, so too do incoming immigrants contribute to the country’s shape.
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