Secrets of the Royal Palaces: Season 2, Episode 4

2 - 4: Sandringham

A network of tunnels built by George IV underneath Brighton's Royal Pavilion as he had grown so fat that he was embarrassed by his appearance and wanted to visit his beloved horses unobserved by cruel critics. Plus, the story behind the Diana, Princess of Wales statue in Kensington Palace and how this piece of art ended up demonstrating the fractured relationship of her two sons.