Throughout the festive season, we've been bringing you some of the best episodes of the past year.Today, the conclusion of our look beyond the grand interiors of Penrhyn Castle in North Wales, where we discover the dark history its foundations were built on.This episode was first published in August 2021.This podcast was brought to you thanks to the support of readers of The Times and The Sunday Times. Subscribe today and get one month free at: thetimes.co.uk/storiesofourtimes. Guests:- Dr April-Louise Pennant, academic.- Gil Pennant, mediator.- Dr Marian Gwyn, heritage consultant specialising in colonial history.- Eleanor Harding, assistant curator for Wales at the National Trust.- Rhian Cahill, visitor operations and experience manager for the National Trust at Penrhyn Castle.- Meleri Davies, community developer in Bethesda.Host: Brenna Daldorph.Clips: 'Wales and Slavery: The Untold Story', BBC Two Wales. See acast.com/privacy for privacy and opt-out information.