Today, the idea of taking a photograph and never seeing the result is hard to comprehend, as we shoot away with our digital cameras or smartphones, instantly sharing photos we take. But wind the clock back to the time when photography was an analogue process, and the delay between taking the picture and seeing the prints could be many months, even years – long enough to forget. And for one roll of film, at least, the wait has been about 70 years.
Click Here to Visit Orignal Source of Article https://www.bbc.co.uk/news/in-pictures-54175441