City 40 Released 2016-04-28 is a story that falls under the Documentary, History category. Movie Story "Hidden in the heart of Russia, there is a Soviet-era city where thousands of people live and work behind barbed-wire fences monitored by armed guards. It is Ozyorsk (Ozersk), located in the Chelyabinsk Oblast, one of the most polluted places on the planet and home to the largest stockpiles of nuclear material. Its code name: City 40.".