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“The tunnel-like structure is formed when flowing lava hardens near the surface but continues to flow downwards, and the inner lava escapes before hardening. The result, a tube that opens to the surface and leads to the mysterious depths below.”

“The tunnel-like structure is formed when flowing lava hardens near the surface but continues to flow downwards, and the inner lava escapes before hardening. The result, a tube that opens to the surface and leads to the mysterious depths below.”

Opal Creek in Oregon. USA   - Explore the World, one Country at a Time. http://TravelNerdNici.com

Opal Creek in Oregon. USA - Explore the World, one Country at a Time. http://TravelNerdNici.com

Hanging out with giraffes… can this happen to me? i want this to happen now

Hanging out with giraffes… can this happen to me? i want this to happen now

Ancient+Alien+Cave+Paintings | 15th place entry in Archaeological Anomalies 10

Ancient+Alien+Cave+Paintings | 15th place entry in Archaeological Anomalies 10

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