Victim of Soviet test wants all nuclear weapons destroyed
17 February 2017 Last updated at 00:38 GMT
Twenty-seven years after the last Soviet nuclear test in the barren steppes of Kazakhstan, in an area known as The Polygon, the BBC has been to explore the terrible legacy.
There we met Karipbek Kuyukov, an extraordinary survivor, a celebrated artist and anti-nuclear campaigner.
Find out more about his story watch this week's Our World programme on BBC World News.
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