Ashley Cooper / Passengers undergoing bio-security checks on the Akademik Sergey Vavilov to remove any stray seeds or biological material that might contaminate Antarctica.
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Ashley Cooper / Passengers undergoing bio-security checks on the Akademik Sergey Vavilov to remove any stray seeds or biological material that might contaminate Antarctica.
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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 / Lake Mead at a very low level due to the four year long drought. Lake Mead, Nevada, USA. 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 / 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
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John Downer / Hoover dam and electrical power station (built in 1936) near Las Vegas, Arizona, USA
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Juergen Freund / Hoover dam and electrical power plant near Las Vegas, Nevada, USA
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Doug Perrine / Day octopus (Octopus cyanea) female jetting away during mating while the male's hectocotylus arm on the right is still extended into her mantle, Hoover's Reef, North Kona, Hawaii. Central Paci...