The mirrors are tilted so that light coming from one direction bounces or reflects from one mirror up (or down) to the other mirror and then into your eye.
(The mirrors; are tilted; so that light coming from one direction bounces or reflects from one mirror up (or down) to the other mirror and then into your eye) (light; coming; from one direction) (light coming from one direction; bounces; ) (light coming from one direction; reflects; from one mirror up (or down) to the other mirror and then into your eye)
The mirrors light light coming from one direction light coming from one direction
are tilted coming bounces reflects
so that light coming from one direction bounces or reflects from one mirror up (or down) to the other mirror and then into your eye
from one direction
from one mirror up (or down) to the other mirror and then into your eye