carol

At her Christmas carol concert she called for "love, not fear" and said "love is the light that can shine bright, even in our darkest times".

Since the end of her treatment she has gradually returned to more public events, including Remembrance Sunday and her Christmas carol concert at Westminster Abbey, which were seen as positive signs of her recovery.

Archaeologist Helen Geake works in Norfolk - the treasure finds capital of the UK - and often thinks of the Twelve Days of Christmas carol in her work.

Accompanying the speech a community choir sang the carol Once in Royal David's City.

Earlier this month, she hosted a carol service at Westminster Abbey alongside Lady Gabriella Windsor, the King's second cousin.