The Duchess of Cambridge visits Ronald McDonald House Evelina London

The transcript covers an event at the Ronald McDonald House serving the Evelina London Children's Hospital. It includes a welcome message, acknowledgments of contributions, the unveiling of a commemorative plaque, and closing remarks thanking participants for their involvement.

What is the purpose of the Ronald McDonald House mentioned in the text?

Who is being thanked for their presence at the event?

What significant item is being unveiled during the event?

What feelings are expressed towards the attendees of the event?

What is the overall tone of the speech given at the event?