Glazing

What sort of harm can you foresee from this situation/activity?

Individuals could collide with windows that open onto pathways / walkways / corridors or playground areas :

Individuals could inadvertently fall from height through an
open window :

Individuals could be pushed through an open window :

Individuals could trip , fall or be pushed into windows, door panels or other glazed areas :

Balls being kicked through / hit windows (glass could be showered as a result) :

Equipment being carried coming into contact with glass :