A clean-up veteran pays respect to the Chernobyl firefighters at a memorial in capital Kyiv, Ukraine, Tuesday, April 26, 2022. At right, firefighter sculptures are covered with bags to protect against the Russian shelling. April 26 marks the 36th anniversary of the Chernobyl nuclear disaster. A reactor at the Chernobyl nuclear power plant exploded on April 26, 1986, leading to an explosion and the subsequent fire spewed a radioactive plume over much of northern Europe. (AP Photo/Efrem Lukatsky)