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Planet's deepest blue hole discovered but depth remains a mystery
Blue holes are considered an "oasis" for marine life – but the Taam Ja' Blue Hole off the coast of Mexico remains largely mysterious.CBS News - Top stories -
Planet's deepest blue hole discovered but depth remains a mystery
Blue holes are considered an "oasis" for marine life – but the Taam Ja' Blue Hole off the coast of Mexico remains largely mysterious.CBS News - World