THE Wye Valley is to feature in a new national history series on BBC One Wales later this month. Wales: Land of the Wild and Land of the Wild: After Dark, a brand new documentary which reveals the secrets of Welsh wildlife, will be aired at 8pm on Thursday, March 25. Narrated by Michael Sheen, Land of the Wild: Secrets is an epic journey using innovative camera technology to uncover the hidden worlds of Welsh wildlife Michael Sheen said: “This is an epic journey, following wild waterways; from the highest mountains to the Celtic Deep. Cutting edge technology reveals hidden secrets and brings us a little closer to the land of the wild.