Claire Sorensen, RCAHMS architectural historian, said: "It's fantastic that a small shoe box contained such a treasure-trove of photographic imagery, but in some ways it's not unusual. Our experience as an archive has shown us that some of the most interesting discoveries can be made in the most unlikely of places." Ascetics or sadhus seated, possibly near Chandpal Ghat in Calcutta Picture: RCAHMS/PA

Credit : RCAHMS/PA