Ond fel pob adeilad, daw amser pan mae angen i ni edrych tua’r dyfodol a sicrhau bod pobl yn gallu parhau i gael y gofal gorau posibl am y degawdau nesaf.
But like all buildings, there comes a time when we have to look to the future and ensure that people can continue to get the best possible care for the decades ahead.