Hidden deep in the forests of Nichinan, Japan, lies a breathtaking sight that seems more like a work of art than a scientific experiment. From above, it looks like a massive green target painted into the earth — ten perfect concentric circles of cedar trees spiraling toward the center.
But this “forest mandala” is no accident. It’s part of an experimental forestry project launched in 1973 by Japanese botanists to study how tree spacing affects growth. The scientists planted Japanese cedars in circular formations, adjusting the distance between each tree from the outer rings to the densely packed center.
Now, after 50 years, the results are clear — and striking. Trees on the outer rings, given more space and light, have grown tall and strong. Meanwhile, those crowded in the center, forced to compete for resources, remain smaller and thinner.
Beyond its scientific value, the experiment has turned into a symbol of harmony between nature and human curiosity. The geometric pattern — perfectly visible from the air — demonstrates how science, aesthetics, and ecology can coexist beautifully.
The forest continues to be carefully monitored, offering researchers invaluable data on sustainable forest management and reminding the world that sometimes, science can also be art.
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