Fan y Not Big Enough: Welsh mountain downgraded to hill

A Welsh mountain has been downgraded to a hill.Fan y Big, which stands at 2,531ft (717m), is set in the Brecon Beacons and is tall enough to be classed as a mountain.The Brecon Beacons National Park, in South Wales, announced on Facebook: "It is with great sadness and a heavy heart that we must announce that through the emergence of new technological data we have lost one of our Beacons.