During today's ceremony, historian Ian Acton read a dedication to Captain Scott and four other members of the Antarctic expedition who died on the trek.
One of the men was Gower-born Edgar Evans.
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Scientists at Swansea University investigated fossils of huge marine animals which lived between 5.3 million and 9,700 years BC.
First Minister unveils plans to introduce a minimum price for alcohol as part of his government's legislative priorities for the year ahead.
The Welsh Government cabinet is expected to meet today to decide whether to financially back the proposed Circuit of Wales racetrack.