Catastrophe(Катастрофа)

Sayano-Shushenskaya hydroelectric power stationis located on the Yenisei River and is the largest power plant in Russia in terms of capacity andone of the largest in the world. On 17 August 2009the plant suffered the biggest in the history of Russian hydraulic power industry catastrophic accident, 75 people were confirmed dead. Five years and 40 billion rubles were spent to restart operation of the plant. But what was the real causeof the tragedy and should we wait for the spate of new technogenic catastrophes?