Fel rhan o ŵyl Drysau Agored eleni, rydyn ni'n rhoi cyfle i un teulu lwcus ennill aelodaeth teulu Cadw sy'n para blwyddyn. 🎫 👪 I gymryd rhan, rhannwch fideo o'ch diwrnod allan Drysau Agored a thagio @cadwcymruwales. Rydyn ni’n disgwyl mlaen i weld anturiaethau eich teulu! As part of this year’s Open Doors, we're giving one lucky family the chance to win a year-long Cadw family membership. 🎫 👪 To enter, simply share a video of your Open Doors day out and tag @cadwcymruwales. We can’t wait to see your family’s adventures!