Rydyn ni’n gweithio ar ryddhau’r ddelwedd hon.
HURN, David
© David Hurn / Magnum Photos / Amgueddfa Cymru
ECONOMOPOULOS, Nikos
© Nikos Economopoulos / Magnum Photos / Amgueddfa Cymru
GREAVES, Derrick
© Derrick Greaves/Amgueddfa Cymru - Museum Wales
REDDICK, Peter
© Peter Reddick/Amgueddfa Cymru - Museum Wales