Beneath the two passenger decks of this modified super jumbo is an Air Force One-style air-stair -- allowing access to the tarmac without the need for a sky-bridge or external staircase -- and a crew dining area, crew gallery, crew bathroom, sleeping quarters for eight on bunk beds, a communications room and spiral staircase leading to the main deck.

CNN: Luxury living at 35,000 ft

Visitors can now walk from the Millennium wheel at Westminster Bridge past the concert halls and theatres of the South Bank and continue down to the gallery.

ECONOMIST: The Tate Modern