A concealed treasure trove of formerly unknown colour photographs by Werner Bischof, a person of the towering figures of 20th-century pictures and reportage, has been uncovered in Zurich bringing a new dimension to his work and introducing amazing depictions of Europe and further than. About 100 colour prints from original negatives, some rediscovered but most under no circumstances viewed ahead of, taken by Bischof among 1939 and 1954, have been restored and function in an exhibition discovering a very little-recognised element of his imaginative output. The photos include amazing sights of a bombed-out Europe, including the ghostlike spoil of the Reichstag building and skeletal cityscapes of Warsaw, Berlin and other…