Take a photograph that demonstrates this effect of high contrast, usually from a single light source.
Originating from the Renaissance Chiaroscuro is “the use of strong contrasts between light and dark, usually bold contrasts affecting a whole composition.”
![By Nevit Dilmen (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/)], via Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Child_and_Computer_08473.jpg)
By Nevit Dilmen (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/)], via Wikimedia Commons
Tweet your response to @AVBot2 and be sure to include the hashtag #fotodia26
Don't Want to Tweet Your Response? Really?