This image was posted on Facebook by Christopher Nolan .
Filmmaker Christopher Nolan's next project is reportedly based on the Second World War.
The film will revolve around the Second World War and is based on Operation Dynamo, which was a miraculous evacuation carried out by the British Expeditionary Force (BEF) and other Allied troops from the French seaport of Dunkirk which took place in 1940, reported
The Independent .
In September, it was announced that Christopher's next film will release on July 21, 2017. (Also Read:
Christopher Nolan's Next Film Set For Summer 2017)
No other details of the film have been released yet.