Olga Korolova, 39, poses for a photograph in her flat which was evacuated after an explosion at the Chernobyl nuclear power plant, in the ghost town of Pripyat, Ukraine, April 18, 2016. [Photo/Agencies]
An undated family photograph shows Olga Korolova (R) before the Chernobyl nuclear disaster in in the town of Pripyat, Ukraine. [Photo/Agencies]