Anatomy of a WAN 3.0 Prompt: Taking Apart a 20 Second, Three Shot Scene

The most useful thing on any AI video model page is not the hero clip.

It is the prompt behind the one clip that does something hard.

For Alibaba’s newest video model, that clip is a 20 second night market scene built from three shots in a single generation.

The picture is nice.

The prompt is a small lesson in screenwriting for machines, so instead of a review, this is a teardown.

The opening line sets the contract “A 20 second cinematic sequence in three shots about a night market cook.” Notice what this sentence does before any visuals appear.

It states the total length, the number of shots and the subject.

That is a contract.

The model now knows it is building a sequence, not a single moment, and it knows how many beats to budget.

When I see people struggle with multi-shot video, the prompt usually jumps straight into description and never tells the model how the time is supposed to be divided.

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