The International Atomic Energy Agency estimates that Chernobyl released 400 times more radioactivity into the atmosphere than the bomb dropped on Hiroshima in 1945.
Thirty years after the Chernobyl nuclear accident, there’s still a significant threat of radiation from the crumbling remains of Reactor 4. But an innovative, 1.5 billion euros super-structure is being built to prevent further releases, giving an elegant engineering solution to one of the ugliest disasters known to man.