Grey Gypsies of Australia
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Grey Gypsies of Australia
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The caves are larva tubes formed about 200 million years ago when the outside lava cooled while the larva continued to flow. The caves at Undarra are some of the largest in the world extending about 120Km. Over the years some of the caves have collapsed and can now be viewed by walking down into them.
Roof of Lava Caves
Skeleton Weed (Similar Age to Wolamai Pines)
Looking out to a collapsed  section from inside the lava tube
Undara Lava Caves
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