ScienceDesk, "Amid the discovery of a lost city in the Amazon rainforest, scientists are uncovering a different kind of relic underground — one that's still being used today."
BBC reports on the "'dark earth' revealing the Amazon's secrets."
ScienceDesk, "Amid the discovery of a lost city in the Amazon rainforest, scientists are uncovering a different kind of relic underground — one that's still being used today."
BBC reports on the "'dark earth' revealing the Amazon's secrets."
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