As the reign of Britain's longest serving monarch draws to a close, royal insiders reveal the tough decisions made by the Queen to keep the world's most famous dynasty in business.

Prince Charles has served a long apprenticeship for the role of king, during which he has enjoyed the highs and lows of public support. With strong views and unorthodox beliefs, a look at what kind of monarch he will make.

Prince William is often portrayed as the very picture of a modern prince, speaking candidly about issues such as mental health, racism, and gay rights. But on closer inspection, William may have more in common with his grandmother's principles.