This movie is a bit like "How to Train Your Dragon". The common point is that the protagonist really understands the hostile species, becomes friends with them, and finally everyone can live in harmony.
The special point of this film is that it is in the context of the Cold War. I feel a bit reflective of World War II. In a special historical context, human beings are sensitive and impulsive.
Fortunately, the ending is quite complete~
"You are made of metal, but you have feelings, and you think about things, and that means you have a soul. And souls don't die."
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