The Blue Lake at the entrance to Jenolan Caves, Blue Mountains, Australia
#caving, #speology, #blue, #lago, #nature
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Canary Islands, Spain
Canary Islands, Spain#travel, #spain, #europe, #road, #nature
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The Blue Lake at the entrance to Jenolan Caves, Blue Mountains, Australia
#caving, #speology, #blue, #lago, #nature