Hotaru no Haka (Grave of the Fireflies) by ncillustration on DeviantArt

Grave of the Fireflies - Official Trailer

Grave of the Fireflies Is Missing From Netflix's Studio Ghibli

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Grave of the Fireflies, Ghibli Wiki

BlindSpot Review: “Grave of the Fireflies”

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Grave of the Fireflies (1988)

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Grave Of The Fireflies (Opening Scene) on Vimeo

If you brighten the poster of Grave Of The Fireflies(1988), you will notice that some of the lights are not fireflies, but incendiary bombs from a B-25 bomber. : r/MovieDetails