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Kumho River in Korea until 1980
At that time, the ppm of Kumho River was 1912 ppm
That’s more than four times higher than 50 ppm of the Genji River, which is famous for its poop
the dirtiest river in the world
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Kumho River in Korea until 1980
At that time, the ppm of Kumho River was 1912 ppm
That’s more than four times higher than 50 ppm of the Genji River, which is famous for its poop