Joey Cordevin, a spokeswoman for the film-makers, said: ‘Most images from this war were made in black and white.
‘But for this film they were colourised using the very latest technology to allow people now to see the war as people then did.’
The footage has already proved extremely powerful for those who experienced the war first hand.
Berlin local Elke Breitenback, 78, said: ‘It is extraordinary. I remember my father coming back on leave after the invasion of France bringing sweets.
‘Now for the first time I was able to see what he experienced.’