Replies

The intricate 3D map of the La Cueva de Los Verdes lava tube system in Lanzarote, Spain.
Credit: Vigea – Tommaso Santagata

2 posted on 03/17/2018 3:12:42 PM PDT by BenLurkin (The above is not a statement of fact. It is either satire or opinion. Or both.)

Lava tube fly-through

4 posted on 03/17/2018 3:35:07 PM PDT by BenLurkin (The above is not a statement of fact. It is either satire or opinion. Or both.)

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