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April 3, 2026
Explore the warren of hidden streets and spaces on an hour-long tour.
There is no lift access and a total of 58 steps throughout the tour. There are also steps to the café, shop and toilets. Display information is available in audio form and the tour script can be accessed by e-readers.
Minimum age limit of 5 for the tour, and children aged 16 or under must be accompanied by an adult.
Due to uneven surfaces and some steep inclines, sturdy footwear is recommended.
Many areas are dimly lit and very narrow meaning some guests may experience disorientation or claustrophobia.