While US President Donald Trump and UK Prime Minister Sir Keir Starmer discussed global affairs on the final day of the historic state visit, Queen Camilla and Princess Catherine entertained the first lady, Melania Trump, in Windsor.

A library tour, miniature books, leaf printing and bug hotels were all on the agenda.

Before meeting up with the princess, Ms Trump joined the queen for a tour of Queen Mary's Dolls' House and the Royal Library at Windsor Castle.

Queen Camilla toured the Royal Library in Windsor with Melania Trump. ( Reuters: Nathan Howard )

The dolls' house, which is the largest in the world, was built between 1921 and 1924 for Queen Mary and designed by the British architect Sir Edwin Lutyens.

In the 1920s, authors such as Winnie-the-Pooh creator A.A. Milne, and

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