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](http://daily.netedu.info/wp-content/uploads/2016/02/1024px-Child_and_Computer_08473-1024x768.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
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