article_snippet: William listened intently as William guide described the construction and history of the vast landmark.
article_snippet: William said: 'The sheer scale of it is phenomenal.'
article_snippet: The Duke, whose whistlestop tour lasted just 35 minutes, replied: 'It feels like a very big portion. '
article_snippet: It's beautiful and lovely, thank you so much for showing me around.
article_snippet: It's such a massive area.'
article_snippet: It is now a museum housing some 1.8million items and attracts more than 15 million visitors a year.
article_snippet: It contains 980 buildings, including 90 palaces and courtyards, 8,704 rooms and is the largest collection of preserved wooden structures in the world, covering 150,000 square metres.