Wedi canfod 5 canlyniad.
Chris, STEELE-PERKINS
©Chris Steele-Perkins/MAGNUM Photos//Amgueddfa Cymru
JONES GRIFFITHS, Philip
© Philip Jones Griffiths/MAGNUM/Amgueddfa Cymru
CARTIER-BRESSON, Henri
© Foundation Henri Cartier-Bresson/MAGNUM Photos/Amgueddfa Cymru