Wales Itv

On the summit of Penycloddiau hill, you’ll find an extraordinary feat of prehistoric engineering.

More than four million people visit the Brecon Beacons every year, many to scale south Wales' highest peak, Pen y Fan. But things don't always go to plan.

ITV cameras followed Glanusk estate owner Harry Legge-Bourke for almost a year for its new series A Year In The Beacons.