Iceland | The Tube Goes Further Than Geology Explains
Lava tubes in Iceland run for kilometers. The Víðgelmir cave system is the longest mapped at 1,585 meters. Dr. Halvard Sigurðsson has been mapping its unmapped western extension since 2019. Last October he stopped filing reports. His university says 'personal reasons.' His mapped sections — forty new meters compared to previous expeditions — contain something he photographed but did not annotate. The university has the photographs. You have permission to see them.
About Iceland | The Tube Goes Further Than Geology Explains
Lava tubes in Iceland run for kilometers. The Víðgelmir cave system is the longest mapped at 1,585 meters. Dr. Halvard Sigurðsson has been mapping its unmapped western extension since 2019. Last October he stopped filing reports. His university says 'personal reasons.' His mapped sections — forty new meters compared to previous expeditions — con...Read more