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(466 ft/142 m). Two collapses allow sunlight to enter the cave and abundant vegetation grows. Stooping is required in the main passage, and the back section has floors that are steep and sometimes wet, or very rough. There is beautiful hydrophobic bacteria coating the ceiling at the back of this cav
e, and icicles adorn cracks in the ceiling in winter.
Listen to the audio guide for Sunshine Free on WIP — starts by itself when you arrive, even with the screen off