Queen Elizabeth II remains a highly respected monarch both in the UK and abroad. In an age in which photography has become the ubiquitous medium, the Queen has been one of the most photographed women in the world, with strong media interest ever since the days of her childhood as a young princess. Revealed here in unique pictures, taken by members of the Press Association over a period of 80 years, is an extraordinary documentation of the life of an extraordinary woman.PA Photos is the photography arm of the PA Group, which also owns the The Press Association, the UK's national news agency. Established in the late 19th Century, the PA has been capturing editorial photography for 140 years. Along the way, PA Photos has incorporated other great British photo libraries, such as Barratts and Sport & General, resulting in an extraordinary archive of over 15 million images recording British life over more than a century.