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  • wind mill in northern Germany
    21555

  • wind mill in northern Germany
    21554

  • wind mill in northern Germany
    21553

  • high power electricity
    21547

  • high power electricity
    21546

  • high power electricity
    21545

  • high power electricity
    21544

  • high power electricity
    21543

  • clear cut in Rocky Mountains
    21230

  • forest decline in Rocky mountains
    21229

  • forest decline in Rocky mountains
    21224

  • forest decline in Rocky mountains
    21223

  • high voltage over corn
    20725

  • high voltage over corn
    20724

  • windpower in east frisia
    20715

  • protest against logging
    20671

  • wind power on island Ruegen
    20611

  • Alaska pipeline crosses Tanana river
    20382

  • Alaska pipeline crosses Tanana river
    20381

  • Alaska pipeline crosses Tanana river
    20380
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© Polarfoto Dr. Hinrich Bäsemann