In 877 Rhodri, after many vicissitudes, was slain in battle, and his dominions of Gwynedd (North Wales), Deheubarth (South Wales) and Powys (Mid Wales) were divided amongst his three sons, Anarawd, Cadell and Mervyn.
Mervyn Hobden and Max Jens Jensen also remarked that infra-red is not usually a problem with color CCD cameras.
Bob talks to Mervyn through a ventilation grille to find out what's going on.
Also at Balmoral her home-bred hogget ewe was placed fourth in the interbreed pairs contest along with a home-bred shearling tup from Mervyn Currie.