The northern Chinese city of Tianjin is the only place in the country that has road signs warning drivers not to make jokes while driving for their safety.
The sign features a cartoon of a driver and a passenger cracking jokes, with a slogan that says “Making jokes while driving is a safety hazard”.
It went viral after several tourists spotted it and posted it online, and came as a shock to both travellers and locals.
“It is true that only Tianjin needs a sign like this,” said one tourist.
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