At 1:23 AM on April 26, 1986 the Chernobyl Nuclear Power Plant operators committed a fatal series of errors here in the control room of Reactor #4, triggering a meltdown and an explosion that resulted in the world's largest nuclear accident to date.
Never-seen-before shots of Chernobyl nuclear disaster that cost two of the four photographers their lives
2 February 2011 Inside the Chernobyl Nuclear Power Plant - The Chernobyl nuclear complex contained four reactors in total. The explosions on 26 April 1986 occurred in Reactor Number Four, at the end of the building closest to the camera. All pictures by the BBC's Steven Duke.