Dunkirk, why are so many people looking forward to this movie?

Christopher Nolan has great influence in China. There is a saying among China fans that Nolan's films must be classics. Many of Nolan's films are highly rated on Douban. Nolan is good at suspense films and science fiction films, involving war themes. This is the first time everyone wants to see how Nolan's war movie will be made. Some people expect, some people are curious, and others are waiting for jokes to see if Nolan, who never misses, will fail this time. Moreover, both of them are World War II movies, which caused a sensation in hacksaw ridge in China. It's not surprising that "Dunkirk" caught the eye, but the box office seems ordinary, but it's good and wonderful. In fact, you have to go to the cinema to feel the tension and excitement.