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Mall toilet windows turns clear when occupants smoke

Rob Beschizza
Dec 26, 2025
∙ Paid

Toilet smokers will be humiliated online

The doors on gentlemens’ bathroom stalls at the Shuibei mall in Shenzhen, China, have smoked glass windows for privacy. But they turn clear if the occupant smokes, report local media, and trigger an alarm.

The glass uses a special technology that is normally opaque and cuts off the power in a few seconds after it d…

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