The containment dome of the first reactor is designed to withstand pressures of only 7 pounds per square inch, compared with 50 psi in American-style reactors, leaving the Juragua dome exponentially weaker than an American reactor even in the event that the dome functions perfectly as designed, an unlikely prospect in the current situation.

CENTERFORSECURITYPOLICY: A Chernobyl reminder just off our shores

At the top is a new restaurant which offers visitors one of the greatest panoramas of London, past the pepperpot dome of the National Gallery, over Lord Nelson's shoulder in Trafalgar Square and on to the Palace of Westminster.

ECONOMIST: Museum sponsorship