How to get axes from figure?

General Usage
1

I have a figure whose layout is

> fig.layout
GridLayout[4, 1] with 4 children
 ┣━ [1, 1] Axis
 ┣━ [2, 1] Axis
 ┣━ [3, 1] Axis
 ┗━ [4, 1] Axis

How can I get the axes from that?

2

You can use content (see https://makie.juliaplots.org/stable/figure.html#Retrieving-Objects-From-A-Figure)