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Grutas de Postjona "Estalactite/estalagmite, 3 milhões de anos!!!" *** Postjona Caves "Stalactite / stalagmite, 3 million years!"

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Lisboa, Portugal

Photo details

  • Uploaded on April 19, 2010
  • © All Rights Reserved
    by Alfredo Henriques
    • Camera: Canon PowerShot SX1 IS
    • Exposure: 0.125s (1/8)
    • Focal Length: 5.00mm
    • F/Stop: f/2.798
    • ISO Speed: ISO250
    • Exposure Bias: 0.00 EV
    • Flash fired