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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The world record attempt will raise money for the foundation set up in memory of the Olympic gold medallist, who died in May 2013.
In today's Newsweek, Carl talks about what the 'No' vote in the Scottish Referendum could mean for Wales and the impact of legal highs.
England manager talent spotting at Swansea City v Southampton at the Liberty Stadium