Stori Neil Hopper, llawfeddyg o Benrhyncoch, a'i fryd ar fod y para-astronot cynta. The story of Penrhyncoch surgeon, Neil Hopper, and his ambition to be the first para-astronaut in history.
4 o fisoedd ar 么l i wylio
48 o funudau
Mis Hanes Anabledd
