Suddenly, as you pass through a doorway, great irregular vistas of a subterranean chamber discover themselves to you, limitless. You perceive that this wondrous restaurant ramifies under all London, and that a table on one verge is beneath St. Paul’s Cathedral, and a table on the other verge beneath the Albert Memorial.
Arnold Bennett. Paris Nights And Other Impressions of Places and People (1913)
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Seems to be getting warm." Indeed, her presence gave the house what none other of the houses that he visited seemed to possess: a sort of tactual sense, a nervous system which ramified into each of its rooms and sent a constant stimulus to his heart.
Marcel Proust. In Search of Lost Time [volume 1]
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The Ministry of Truth contained, it was said, three thousand rooms above ground level, and corresponding ramifications below.