Liquidation of consequences of the accident at the Chernobyl Nuclear Power Plant named after V.I. Lenin in the Kyiv region

USSR. Ukrainian SSR. Kiev region. Researcher at the Kurchatov Institute of Atomic Energy Yu. Alekseyev during a radiation background measurement from a helicopter during the construction of the Shelter over the fourth power unit of the V. I. Lenin Chernobyl Nuclear Power Plant after the accident. On April 26, 1986, an explosion occurred at the fourth power unit of the NPP during equipment testing during the reactor shutdown for routine preventive maintenance. The highest possible quality. Valery Zufarov, Vladimir Repik/TASS