Dechreuwyd ymgyrch i agor bleindiau a diffodd goleuadau
Gwe 31ain Maw 2023
The children every break time and lunch time go around the classrooms and turn the lights off and open the blinds. They are ensured teachers had turned all their plugs off.
Disgyblion sy'n cymryd rhan yn y gweithgaredd hwn:
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