Nearly four decades after the Chernobyl disaster, a liquidator shares a harrowing testimony about the extreme conditions and sacrifices made while climbing the roof of Reactor 4, known as the "Stairway to Hell."

Forty years have passed since the catastrophic explosion of reactor 4 at Chernobyl, highlighting the ongoing efforts and challenges for the next century.

Forty years after the explosion at Reactor 4, the Chernobyl disaster continues to haunt Europe and the world, with a new article reflecting on the fate of its heroes, those responsible, and the victims.