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Why did paying for rat tails leave Hanoi with more rats?
In 1902 Hanoi paid a cent per rat tail, and soon tailless rats were scurrying through the city while rat farms sprang up outside it.
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In 1902 Hanoi paid a cent per rat tail, and soon tailless rats were scurrying through the city while rat farms sprang up outside it.
Tap to go on, or swipe →