A liquidator pushes a baby in a carriage who was found during the cleanup of the Chernobyl nuclear accident. The infant had been left in an abandoned house in the village of Tatsenki; the worker found the child when he was measuring radiation levels. Chernobyl, Ukraine, 1986
In pictures: Auschwitz-Birkenau, then and now. A new publication by the Auschwitz-Birkenau State Museum in Poland shows photographs taken in the extermination camp during World War II alongside pictures of the same locations today. More than a million people - most of them Jewish - were murdered by the Nazis at Auschwitz-Birkenau during World War II.
The nearby city of Prypiat (now abandoned) was not immediately evacuated after the incident. The townspeople went about their usual business, completely oblivious to what had just happened. However, within a few hours of the explosion, dozens of people fell ill. Later, they reported severe headaches and metallic tastes in their mouths, along with uncontrollable fits of coughing and vomiting.