
Standing at the rim of Chile's Chuquicamata open pit, visitors confront a paradox of modern engineering: a vast terraced amphitheatre carved into the Atacama Desert over generations now sits largely silent, while the real action unfolds invisibly beneath their feet. This copper colossus—once the world's largest open-pit mine—has completed one of the most ambitious infrastructure pivots in mining history, transitioning its operations underground to extend its productive life well beyond 2060.
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Chuquicamata Mine - 2025.pdf