Ashley Cooper / Overspill, standing high and dry at the Hoover Dam on Lake Mead, following a four year long drought. Nevada, USA, September 2014.
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Ashley Cooper / Intake towers for the hydro plant on the Hoover Dam, Lake Mead, Nevada, USA. The lake is at a very low level due to the four year long drought. September 2014.
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Ashley Cooper / The Hoover Dam and Lake Mead hydro electric plant, which is at very low levels following a four year drought. Border of Nevada and Arizona, USA.
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Ashley Cooper / The Hoover Dam and Lake Mead hydro electric plant, which is at very low levels following a four year drought. Border of Nevada and Arizona, USA.
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Ashley Cooper / A 700 Kw hydro pwer scheme being constructed on the slopes of Ben More on Mull, Scotland, UK.
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Ashley Cooper / A 700 Kw hydro power plant being constructed on the slopes of Ben more, Isle of Mull, Scotland, UK. August 2014.
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Ashley Cooper / At 152 Mw the Sloy Hydro Power Station is the largest hydro power station in the UK, Loch Lomond, Scotland, UK. August
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Ashley Cooper / Sloy hydro power station on the shores of Loch Lomond, Scotland, UK. May 2012.
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Ashley Cooper / Renewable energy sources - wind power, solar power and Sloy hydro power station on the shores of Loch Lomond, Scotland, UK. May 2012.
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Ashley Cooper / Fljotsdalur hydro power station, Karahnjukar a new controversial hydro electricity project, which flooded a large area of wilderness. North East Iceland, September 2010.
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Tom Gilks / Technicians inspecting pipes carrying water to hydro electric power plant, Rwanda, September 2014.