There are light fixtures that are attached to the mirrors in the bathrooms.
How do you do this?

There are light fixtures that are attached to the mirrors in the bathrooms.
How do you do this?

They are manufactured like that. Drilling holes in glass is very difficult for the average person to do outside a manufacturing environment.

There are light fixtures that are attached to the mirrors in the bathrooms.
How do you do this?"The bathrooms"? Which bathrooms?? I can't see anything from here.


Like Smoothy said, the glass people drill holes in the glass around the electrical boxes so the fixtures can be wired and mounted to the box.