Side by side, blue and red post boxes at Windsor Castle in Berkshire, England. Blue post boxes for airmail letters only lasted for eight years because of the rapid expansion of air services to Europe and the British Empire!
Visiting Windsor Castle from London. A look inside the Queen's castle
Obviously can't/won't do most of these but there are some extra ideas I suppose 😂 An exhaustive and diverse list of day trips from London, including castles, seafront walks, quaint villages and exciting cities.
Where Kings & Prime Ministers and world leaders are educated. Prince Charles, Princes William and Harry and Sir Winston Churchill. Eaton College - Berkshire - England William Waynflete was pointed provost of Eaton by Henry VI in 1441