"evacuation of the entire city of Pripyat" . . . "April 26th" . "nuclear-contaminated Chernobyl area" . . . "Destroyed" . "Chernobyl Nuclear Disaster" . "Chernobyl disaster" . "exploded in 1986" . . "accident" . "failed test" . "Chernobyl nuclear reactor disaster" . "Chernobyl-era" . . "the damaged reactor at Chernobyl" . "exploded on 26 April 1986 at 1:23:58 a.m" . . "disasters" . "Chernobyl disaster" . "1986 accident at the Chernobyl Nuclear Power Plant" . . "Chernobyl incident in 1986" . . "Chernobyl fallout" . "devastated Chernobyl nuclear reactor" . "1986 Chernobyl Nuclear Disaster" . "Chernobyl nuclear power plant accident" . "world's worst nuclear accident in Chernobyl" . "a nuclear disaster" . . . "Chernobyl Accident" . "famous disaster" . . "Chernobyl Reactor" . "evacuation" . "Chornobyl tragedy" . . "Chernobyl reactor meltdown" . . . "Chernobyl incident" . . "northern Russia" . "goes critical" . . "hydrogen explosion,
then graphite fire (1986)" . "1986 Chernobyl explosion" . . "Chernobyl's Nuclear Power Plant" . "Chernobyl nuclear radioactive reactor catastrophe" . "reactor 4 exploded" . "Chornobyl" . . . "Chernobyl" . "nuclear disaster of the same name" . . "catastrophe of Soviet nuclear plant Chernobyl" . . "meltdown" . "Chernobyl nuclear power disaster" . "Chernobyl #4" . "Chernobyl Nuclear Power Plant accident" . "1986 nuclear disaster of Chernobyl" . . "Chernobyl disaster#Nuclear debate" . "Chernobyl nuclear disaster" . "Exactly two years earlier" . "explosion" . "disaster of the same name" . . . . "Chornobyl catastrophe" . . . "Chernobyl nuclear reactor explosion" . "Three station workers volunteered to manually operate the valves" . . "catastrophic nuclear accident" . . . . "nuclear accident at Chernobyl" . "1986 Chernobyl disaster" . "Chernobyl nuclear disaster of 1986" . "Chernobyl nuclear power plant disaster" . . . "Chernobyl Catastrophe" . . "catastrophe at the Chernobyl nuclear plant in the Ukrainian SSR" . . "1986 disaster" . "nuclear meltdown at Chernobyl" . . "meltdown at the Chernobyl nuclear power plant" . "the accident at the Chornobyl Nuclear Power Plant" . . . . "nuclear disaster in Russia" . "nuclear reactor explosion and disaster" . "Chernobyl disaster#Chernobyl2020" . . . "accident at Chernobyl" . . "disaster" . "Chernobyl nuclear plant accident" . "The disaster on Chernobyl Atomic Power Station" . "Chernobyl Exclusion Zone" . "second Chernobyl" . . . "the pain of Chernobyl" . "catastrophic accident at the Chernobyl Nuclear Power Plant" . "Chernobyl nuclear reactor" . . "Chernobyl-type accident" . . . . . . "1986 accident" . "the 1986 accident" . "nuclear fallout in Chernobyl" . "Chernobyl cleanup" . "Chernobyl explosion" . . "Chernobyl nuclear accident in April 1986" . "Chernobyl nuclear power plant" . "Chernobyl 2000" . "chemical Chernobyl" . . . . . . "world's worst ever nuclear disaster" . . . . . "Chernobyl disaster effects" . "Chernobyl generating station in 1986" . . "catastrophic nuclear disaster" . "Chernobyl-like accident" . "1986" . . "Chernobyl nuclear power station disaster" . . "exploding Chernobyl" . "further down" . "the accident of 1986" . . "Chernobyl nuclear power accident" . "Chernobyl meltdown" . "Chernobil" . "nuclear disaster of 1986" . "Chernobyl accident" . "Chernobyl disaster#Evacuation" . "accident at the Chernobyl nuclear power plant" . . . . "Chernobyl tragedy" . "Chernobyl_disaster#Causes" . "disaster at Chornobyl" . "controversy" . . . "the Chernobyl disaster" . . . "Heavy Water: A Film for Chernobyl" . "1986 nuclear accident" . "Chernobyl nuclear catastrophe" . . "1986 Chernobyl nuclear disaster" . "Chernobyl, Ukraine" . "nuclear accident" . "Chornobyl Disaster" . "Power excursion, explosion, complete meltdown" . . . "nuclear plant disaster" . "nuclear and radiation accident" . "Chernobyl disaster relief megaoperation" . "Chernobyl Nuclear Power Plant disaster" . . "1986 nuclear reactor disaster" . . "Chernobyl nuclear explosion" . . . . . . "the nuclear incident in Chernobyl" . . . "Chornobyl disaster" . . "1 Involved in accident" . "Chernobyl reactor" . "Chernobyl-type" . . . "explosion at the Chernobyl nuclear power plant" . . . "1986 Chernobyl disaster and its consequences" . "Chernobyl nuclear power station accident" . . "Chernobyl catastrophe" . "Chernobyl Disaster" . . "1986 explosion" . "radioactive ruins" . . . "Chernobyl nuclear accident" . . . "nuclear disaster" .