Catherine, Duchess of Cambridge unveils plaque to mark the farm's milestone at The Ark Open Farm

The video celebrates 30 years of the farm being open to visitors. It highlights the growth and development of the farm over the years and acknowledges the presence of guests, including nurseries and the Duchess of Cambridge. The Duchess is invited to unveil a plaque to commemorate the occasion. The event concludes with the presentation of gifts and expressions of gratitude.

How does the speaker feel about the visitors joining the celebration?

What role do the children play in the context of the farm?