VIDEO : Critics Love Nolan's 'Dunkirk'

"Dunkirk" is Christopher Nolan?s most intense and nerve-wracking thriller yet. Critics love the movie, saying it delivers a strikingly terse viewing experience in the process. The movie is about the battle of Dunkirk. Between May 26 and June 4, 1940, Allied soldiers fighting in WWII were surrounded on all sides by the German Army forces. They evacuated on the beaches of Dunkirk, by way of an operation known as Operation Dynamo.