Kazakhstan. Semipalatinsk. A group of young teenagers sit on a bench while an other walks near the monument to the victims of nuclear testing. The tests took place at Semipalatinsk Polygon ( called today National Nuclear Center of Kazakhstan) 456 atomic testing - 116 atmospheric, 340 underground - from 1949 to 1989. The regions high frequency of diseases is primarily due to fallout from nearby nuclear test sites, human and environmental effects of nuclear radiation, genetic contamination and pollution from atomic tests programs of the former Soviet Union. Semey is the Kazakh name for Semipalatinsk and is located in the Eastern Kazakhstan Province. © 2008 Didier Ruef ..