One of the fun cultural things you probably won't see in a Kdrama is the trucks on the highway usually have eyes painted on or they have eye stickers. Truckers do this for a really smart reason, do you know what it is?
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If you're curious...
Research: https://journals.sagepub.com/doi/10.1177/0956797620924814
Write Up for UNSW-Sydney - https://newsroom.unsw.edu.au/news/science-tech/why-brain-programmed-see-faces-everyday-objects
KoreBizWire Article About The First Truck Eyes: http://koreabizwire.com/large-eye-stickers-prevent-dozing-off-at-the-wheel/156509