UK: Andrew Parker Bowles and Camilla Parker Bowles attending a Polo in Windsor

The video tutorial begins with an introduction and goal setting. It then provides an overview of the first chapter, focusing on 'Queen Scout 1992'. The discussion moves to the challenges faced and changes observed over time. The tutorial concludes with a brief outlook on future developments.

What does the phrase 'but now it's just gone' imply?

Who is Andrew and what is his role in the text?