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  • rust on breakwater
    25787

  • rust on breakwater
    25786

  • rust on breakwater
    25785

  • algal bloom
    25512

  • wind power at Elbe river
    25430

  • wind power at Elbe river
    25429

  • wind power at Elbe river
    25428

  • nuclear power station Brunsbüttel
    25427

  • nuclear power station Brokdorf
    25426

  • wind power at Elbe river
    25424

  • wind power at Elbe river
    25423

  • wind power at Elbe river
    25422

  • wind power at Elbe river
    25421

  • wind power at Elbe river
    25420

  • 25408

  • eutrophic lake
    25350

  • solar energy near Norden
    25315

  • windpower in western Sweden
    25272

  • windpower in western Sweden
    25271

  • algee bloom
    25252
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© Polarfoto Dr. Hinrich Bäsemann