NTSC/Region 0. Two DVD set. Caused by man or by nature, the world's worst disasters are not easily forgotten. Emotive images beamed around the world of the destruction caused by Loma Prieta, California is 1989 earthquake, or the Chernobyl nuclear accident still resonate today. But, out of the devastation, uplifting stories of heroism, self-sacrifice and improbable survival have emerged. With spectacular CGI, authentic reconstructions and a distinctive filmic style, this gripping series brings to life the dramatic stories of those involved in some of the greatest catastrophes of our time. Revealing the truth behind seven iconic disasters, each episode considers whether the disaster could have been prevented, and looks at the lessons to be learnt in order to avoid future large-scale catastrophes.