Cyfle arall i ddilyn y criw wrth iddynt ymweld â Merthyr Tudful. Another chance to hear stories from Merthyr - from the ironmasters and industry to boxing and the first steam train journey.
47 o funudau
Gweld holl benodau Cynefin
Heledd Cynwal, Iestyn Jones a Siôn Tomos Owen ar drywydd straeon difyr Cymru.