CAMBRIDGE (REUTERS).- The shadowy world of espionage is dragged into the spotlight at a new exhibition from the British university which gave the world the Cold War double spies Philby, Burgess and Blunt. Cambridge University Library will use recently declassified documents and “top secret” material from its own archives in its free exhibition “Under Covers: Documenting Spies” to examine the art of espionage from Biblical times to the modern era. The show draws on personal archives, printed books, official publicity material, popular journals, specialist photographs and maps, mostly from the university library’s own collections, to illustrate a few of the ways in which spies have been documented through the centuries. “Under Covers brings together an astonishing variety of different kinds of material, all throwing light on the business of uncovering and keeping secrets,” university librarian Anne Jarvis said of the show which