An educational visit and tour of Shrewsbury Prison, one of the largest and most complete surviving Victorian prisons in Britain, followed by some free time in Shrewsbury town centre. / Ymweliad addysgol a thaith o amgylch Carchar Amwythig, un o'r carchardai Fictoraidd mwyaf a mwyaf cyflawn sydd wedi goroesi ym Mhrydain, ac yna amser rhydd yng nghanol tref Amwythig.