Brazil’s 200 million termite mounds are up to 4,000 years old, but they are made from soil termites dug out while building tunnels

Millions of ancient termite mounds dot Brazil’s landscape, concealing a vast underground tunnel system. These structures, some nearly four thousand years old, represent immense ecosystem engineering by termites. The insects excavated extensive tunnels to access food in seasonally dry forests. This process created millions of evenly spaced cones over generations of work. The resulting pattern showcases a hidden subterranean system and its ancient origins.
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