What 1986 disaster caused pollution across Europe by the radioactive isotope caesium-137, which at least 25 years later still required livestock to be scanned on some UK upland farms?
Chernobyl, Ukraine Chernobyl (city) Chornobil Чорнобиль Чернобыль City of Chernobyl Chornobyl Chornobyl (city) Chernobyl
chornobyl city of chernobyl чернобыль чорнобиль chernobyl city chornobyl city chernobyl ukraine chornobil chernobyl
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Chernobyl