<In 1946, the Soviets began construction of City 40 in total secrecy, around the huge Mayak nuclear plant on the shores of Lake Irtyash. It would house the workers and scientists transported from across the country to lead the Soviet Union’s nuclear weapons program, and build an atomic bomb.
Tsar Bomba (Царь-бомба), literally “Emperor Bomb”, is the Western name for the RDS-220 hydrogen bomb (codenamed “Иван” (Ivan) by its developers) — the largest, most powerful nuclear weapon ever detonated.
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