When the American invasion seemed imminent, Muhammad went down into his basement and cut a square out of the plaster wall, behind which there was a concealed room.
It's not impossible to imagine that some concealed room in his house could actually be occupied by his less congenial twin: a man who, once unobserved, eagerly submits to a comedian's traditional demons – depression, alcoholism, avarice and rage.
In this carefully concealed room in this one-time depot on the underground railroad, Randall shows Ellen the walls covered with numbers, a code for the knocks rapped back and forth, "each number corresponding to a different letter, the clusters of numbers... actually words spoken between those on the side of freedom and those still running for their lives".
In fact, he says, he believes that given the interest and the credibility of the theory, it is almost inevitable that the Egyptian Ministry of Antiquities will actually agree to explore the idea – by making a small hole in a wall and passing a fibreoptic cable through to find out if there really are concealed rooms.
The police in Queensland, Australia, have arrested 59 people over alleged drug offenses, after unearthing a complex network of underground tunnels linking concealed rooms beneath the city of Toowoomba.
As persecutions of the Jewish population increased in July 1942, the family went into hiding in some concealed rooms behind a bookcase in the building where Anne's father worked.
One of the best known examples is of course the Anne Frank family and the others who were hidden in the "Achterhuis" -- concealed rooms in the company building in Amsterdam where Anne's father had worked -- and who were protected for two years by employees of the company, until stormed by the Nazis on August 4, 1944.
And then I remembered that we'd already had one, when the investigators discovered the concealed basement room which supplied Red Herring Number Three.
When design fever seizes her, she quits the Bond Street store, with its plush showrooms, multiple offices and concealed V.I.P. rooms, and heads back to the tiny back office of the shop that she and her husband first set up in the lobby of the Park Lane Hilton Hotel, when they moved to London in 1963.
In one illegal clinic Ms. Muller visited, abortions were performed in a filthy, tiny room filled with statuettes of Catholic saints, in order to conceal the room's purpose and to give the patients a kind of double-edged solace.
It is a suspended, frozen waterfall of junk that partially conceals the room that lies behind it, a place piled high with unruly heaps of clothes that threaten to fall through the door and out on to the street.
