The ray of light peeking through the crack creates a blinding effect on the subject. The light is so bright that it blinds her vision, covering her eyes in the photo. The black and white filter makes the ray of light even more bright.
This photo makes the police seem very menacing and scary. The only things you see are the riot shield and guns coming through the smoke. Any human elements are hidden by masks and smoke. Hiding information makes this photo seem scary.
60 Best Award Winning Wildlife Photography examples
Sparklers would be a cool example of life for this project. Again, an awesome mood is set by it's own light. And everything els could be edited to be dimmer to draw out the rich color and light of the sparkler.