cave Grjotagja, Iceland

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Photo credit: © blickwinkel/Ziese / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., ascendency, ascending, ascension, ascent, breakthrough, cave, cavern, caverns, caves, caving, entrance, entrances, europe, european, format, geology, geomorphology, grjotagja, grotto, grottoes, grottos, horizontal, iceland, icelandic, north, northern, passage, passages, research, rise, rising, rock, rocks, spelaeology, speleology, view, ziese