LONDON, ENGLAND - MARCH 01: Crown Prince Haakon and Crown Princess Mette-Marit meet members of the press during their visit to London on March 01, 2023 in London, England. The visit aims to promote an increased business sector with a focus on green industrial transition, innovation and energy – alongside a promotion of Norwegian literature and music. (Photo by Stuart C. Wilson/Getty Images)
LONDON, ENGLAND - MARCH 01: Crown Prince Haakon and Crown Princess Mette-Marit attend a literary talk at The ambassador's residence during their visit to London on March 01, 2023 in London, England. The visit aims to promote an increased business sector with a focus on green industrial transition, innovation and energy – alongside a promotion of Norwegian literature and music. (Photo by Stuart C. Wilson/Getty Images)
LONDON, ENGLAND - MARCH 01: Crown Prince Haakon and Crown Princess Mette-Marit attend a literary talk at The ambassador's residence during their visit to London on March 01, 2023 in London, England. The visit aims to promote an increased business sector with a focus on green industrial transition, innovation and energy – alongside a promotion of Norwegian literature and music. (Photo by Stuart C. Wilson/Getty Images)
LONDON, ENGLAND - MARCH 01: Crown Prince Haakon and Crown Princess Mette-Marit attend a literary talk at The ambassador's residence during their visit to London on March 01, 2023 in London, England. The visit aims to promote an increased business sector with a focus on green industrial transition, innovation and energy – alongside a promotion of Norwegian literature and music. (Photo by Stuart C. Wilson/Getty Images)