Chernobyl plant workers wearing face masks light candles at the monument to Chernobyl victims in Slavutich, the city where the power station's personnel lived, some 50 kilometres (30 miles) from the accident site on April 25, 2020 during a memorial ceremony amid the COVID-19 pandemic, caused by the novel coronavirus. Ukraine on April 26, 2017 marks the 34th anniversary of the Chernobyl disaster which was the world's worst nuclear accident. (Photo by Sergei Supinsky/AFP Photo)
