2-379-127 - © Fine Art Images/Heritage Images

Sayano-Shushenskaya hydroelectric station, USSR, 1970s. Built on the Yenisei River in southern Siberia, the Sayano-Shushenskaya hydroelectic plant is the sixth largest hydrolectric plant in the world by average power generation. Construction began in 1968 and was completed in 1978. The power station suffered a severe accident in August 2009 when a turbine failed, causing the turbine hall and engine room to flood, killing 75 workers. Found in the collection of the State Museum of History, Moscow.