

First time I've noticed this was in FMA Brotherhood (image contains anime
spoiler) :

> [![enter image description
> here](https://i.stack.imgur.com/gN3Lj.png)](https://i.stack.imgur.com/gN3Lj.png)

I thought it was just for this show but apparently every other anime I've
watched follow the same "rule", BNHA :

[![enter image description
here](https://i.stack.imgur.com/oWwBM.gif)](https://i.stack.imgur.com/oWwBM.gif)


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2020-01-13T18:46:31.160
56454
2020-01-13T18:46:31.160
44723
question
anime-production
Why is the brightness often lowered in scenes showing lightning?