A general view shows the Krasnoyarsk hydro-electric power station on the Yenisei River near the Siberian city of Krasnoyarsk, Russia, January 13, 2016. The power plant, owned by EuroSibEnergo company, part of En+ Group, with a generating capacity of 6,000 megawatt (MW), has a ferro-concrete dam 124-metres high and 1065-metres long and is the second largest Russian hydroelectric power station. About 85% of the energy generated is intended for the Rusal Krasnoyarsk aluminium smelter, according to representatives of the power station. (Photo by Ilya Naymushin/Reuters)





A woman walks past a mosaic panel with a portrait of Soviet state founder Vladimir Lenin at the Krasnoyarsk hydro-electric power station near the Siberian city of Krasnoyarsk, Russia, January 13, 2016. (Photo by Ilya Naymushin/Reuters)





Employees walk past a diorama showing the Krasnoyarsk hydro-electric power station at the turbine hall of the station near the Siberian city of Krasnoyarsk, Russia, January 13, 2016. (Photo by Ilya Naymushin/Reuters)





An employee operates an air cushion motor boat while inspecting the dam of the Krasnoyarsk hydro-electric power station on the Yenisei River near the Siberian city of Krasnoyarsk, Russia, January 14, 2016. (Photo by Ilya Naymushin/Reuters)





A duty electrical engineer inspects an electric switchgear at the Krasnoyarsk hydro-electric power station near the Siberian city of Krasnoyarsk, Russia, January 13, 2016. (Photo by Ilya Naymushin/Reuters)





A general view shows the Krasnoyarsk hydro-electric power station on the Yenisei River near the Siberian city of Krasnoyarsk, Russia, January 13, 2016. (Photo by Ilya Naymushin/Reuters)





Employees operate an air-cushion motor boat as they inspect the dam of the Krasnoyarsk hydro-electric power station on the Yenisei River near the Siberian city of Krasnoyarsk, Russia, January 14, 2016. (Photo by Ilya Naymushin/Reuters)





A general view shows the Krasnoyarsk hydro-electric power station on the Yenisei River near the Siberian city of Krasnoyarsk, Russia, January 13, 2016. (Photo by Ilya Naymushin/Reuters)





An employee works at the turbine hall of the Krasnoyarsk hydro-electric power station near the Siberian city of Krasnoyarsk, Russia, January 13, 2016. (Photo by Ilya Naymushin/Reuters)





A general view from the dam of the Krasnoyarsk hydro-electric power station shows the Yenisei River near the Siberian city of Krasnoyarsk, Russia, January 13, 2016. (Photo by Ilya Naymushin/Reuters)





A general view shows the Krasnoyarsk hydro-electric power station on the Yenisei River near the Siberian city of Krasnoyarsk, Russia, January 13, 2016. (Photo by Ilya Naymushin/Reuters)





Machinist Yelena Stepanova operates a gantry crane on the dam of the Krasnoyarsk hydro-electric power station on the Yenisei River near the Siberian city of Krasnoyarsk, Russia, January 13, 2016. (Photo by Ilya Naymushin/Reuters)





A general view shows the Krasnoyarsk hydro-electric power station on the Yenisei River near the Siberian city of Krasnoyarsk, Russia, January 13, 2016. (Photo by Ilya Naymushin/Reuters)





Engineer Igor Likhtorovich uses an internal telephone at the Krasnoyarsk hydro-electric power station near the Siberian city of Krasnoyarsk, Russia, January 13, 2016. (Photo by Ilya Naymushin/Reuters)





Engineer Igor Likhtorovich turns a switch at the Krasnoyarsk hydro-electric power station near the Siberian city of Krasnoyarsk, Russia, January 13, 2016. (Photo by Ilya Naymushin/Reuters)





A general view shows the turbine hall of the Krasnoyarsk hydro-electric power station near the Siberian city of Krasnoyarsk, Russia, January 13, 2016. (Photo by Ilya Naymushin/Reuters)





A machinist of hydro-electric units, Roman Stolyar examines a rotating turbine at the Krasnoyarsk hydro-electric power station near the Siberian city of Krasnoyarsk, Russia, January 13, 2016. (Photo by Ilya Naymushin/Reuters)





A machinist of hydro-electric units, Roman Stolyar examines a rotating turbine at the Krasnoyarsk hydro-electric power station near the Siberian city of Krasnoyarsk, Russia, January 13, 2016. (Photo by Ilya Naymushin/Reuters)





A machinist of hydro-electric units, Roman Stolyar examines a rotating turbine at the Krasnoyarsk hydro-electric power station near the Siberian city of Krasnoyarsk, Russia, January 13, 2016. (Photo by Ilya Naymushin/Reuters)





Duty supervisor of the turbine hall, Anatoly Ananiev works at the Krasnoyarsk hydro-electric power station near the Siberian city of Krasnoyarsk, Russia, January 13, 2016. (Photo by Ilya Naymushin/Reuters)





An employee works at the control point of the Krasnoyarsk hydro-electric power station near the Siberian city of Krasnoyarsk, Russia, January 13, 2016. (Photo by Ilya Naymushin/Reuters)





A general view shows the Krasnoyarsk hydro-electric power station on the Yenisei River near the Siberian city of Krasnoyarsk, Russia, January 13, 2016. (Photo by Ilya Naymushin/Reuters)





A general view shows the turbine hall of the Krasnoyarsk hydro-electric power station near the Siberian city of Krasnoyarsk, Russia, January 13, 2016. (Photo by Ilya Naymushin/Reuters)





An employee walks along the dam of the Krasnoyarsk hydro-electric power station on the Yenisei River near the Siberian city of Krasnoyarsk, Russia, January 13, 2016. (Photo by Ilya Naymushin/Reuters)





An employee climbs up a ladder of a hydro-electric unit at the Krasnoyarsk hydro-electric power station near the Siberian city of Krasnoyarsk, Russia, January 13, 2016. (Photo by Ilya Naymushin/Reuters)