An iceberg that calved from the Antarctic ice sheet in 1986 is dramatically turning blue as it rapidly heads towards total ...
NASA imagery shows Antarctic iceberg A-23A turning blue from meltwater pools as it shrinks and fragments in warmer seas, marking the likely end of its four-decade journey.
Spot polar bears in the Arctic, see black rhinos in Namibia or marvel at the wonders of our own shores on the ultimate nature ...
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