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​ງານ​ມະ​ຫະ​ກຳ ການ​ຄົ້ນ​ຄວ້າ ຢູ່​ຂົ້ວ​ໂລກ​ໃຕ້

Scientists from Northern Illinois University are back in their laboratory after a 3-month expedition on the Ross Ice Shelf, the world’s largest floating ice sheet.
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