You're reading: National Geographic: An unforeseen legacy of the Chernobyl meltdown

They say that five sieverts of radiation is enough to kill you, so I was curious to see the reading on my Russian-made dosimeter as our tour van passed into the exclusion zone - the vast, quarantined wilderness that surrounds Chernobyl. Thick stands of pines and birches crowded the roadside as our guide reminded us of the ground rules: Don't pick the mushrooms, which concentrate radionuclides, or risk letting the contaminants into your body by eating or smoking outdoors. A few minutes later we passed the first of the abandoned villages and pulled over to admire a small band of wild Przewalski’s horses.

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