chernobyl nuclear power plant tragedy of the whole world â„– 3

accident all analogues atomic basis been block built chernobyl conditions construction covered created dangerous death decisions destroyed diseases energy engineering essence everything explosion extremely finally first functional has have history illustration largest liquidator lost methods not npp nuclear number object plant power pripyat properties radiation reactor remote sarcophagus secondly sensing shelter stalker structure such that third tragedy ukraine unique unit using vector was wellknown which whole world yet zone