Slikke and schorre

Slikke and schorre

Perspective view of a terrain surface showing contour lines as traces of parallel horizontal planes

Perspective view of a terrain surface showing contour lines as traces of parallel horizontal planes

4255087_actu-31-10-2014-barragesivens.jpg (Image JPEG, 640 × 526 pixels)

4255087_actu-31-10-2014-barragesivens.jpg (Image JPEG, 640 × 526 pixels)

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