» Ysgol Bro Preseli Secondary Sector School Christmas Concert Cyngerdd Nadolig Sector Uwchradd Ysgol Bro Preseli Ysgol Bro Preseli Secondary Sector School Christmas Concert 13.12.22 Ysgol Bro Preseli Secondary Sector School Christmas Concert Ysgol Bro Preseli Secondary Sector School Christmas Concert, Theatr y Gromlech at 7.00pm (doors open at 6.30pm)