The Queen is arguably one of the most famous people in the world, but even Her Majesty can go unrecognised.
As the UK marks the 70-year reign of the Queen, a conversation between the monarch and two tourists has emerged, offering a look at her personality behind the scenes.
The unlikely meeting between the now 96-year-old monarch and two American hikers on the grounds of Balmoral Castle in Aberdeenshire made for a funny tale.