Tips for taking low key photos where the overall tone of the image is very dark, with just a small area highlighted. This can create a very moody and dramatic image. Written by Discover Digital Photography September 28th, 2014. http://www.discoverdigitalphotography.com/2014/low-key-photography-tips/
Ass 2 Q1: This image shows dramatic tonal contrast that creates mystery and anticipation. This is created by the harsh and darkened shadowing and just a simple light illuminating the subject in an off centre placement.