Caused by a terrible combination of user error, Soviet secrets, inflated egos and cut corners, 1:23am was the moment the world would never be the same again. Lets take a dive into the incident and uncover what went wrong at Chernobyl - Reactor 4, see who and what was used to clean up the mess and reflect on what is now left of the irradiated wasteland.
Explore our website for exclusive information about the Chernobyl disaster, rare images from the exclusion zone and an opportunity to book onto our famous tour of the ghost town, Prypiat, and the remains of the destroyed power-plant.