Stacking Ladders Isn’t Stable
There are several suggestions for how to utilize a ladder safely. Keeping three limbs on the ladder at all times, maintaining your body upright, and facing it are just a few of them. However, none of them factor in doing this on more than one ladder at a time.

We’ve seen ladders balanced on top of each other perpendicular before, but never like Russian dolls. There’s always a first for everything! This is clever, but we don’t know if it’s really sturdy. This worker should request a taller ladder from his employer.