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  • high power electricity
    21544

  • high power electricity
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  • clear cut in Rocky Mountains
    21230

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    21229

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    21224

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    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

  • Alaska pipeline crosses Tanana river
    20379

  • Alaska pipeline crosses Tanana river
    20378

  • Alaska pipelinecrosses Tanana river
    20372

  • wind energy in Danmark
    20329

  • wind energy in Danmark
    20328

  • wind energy in Danmark
    20327
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