We continued along the cave passage for some distance.


    Suddenly there was more fluorescent green in front.


    This shimmer comes from the moss there.


    Different from the moist black moss in the first half of the journey, the moss there is drier, with a fern-like base at the bottom and small, downy, diamond-shaped leaves.


    There is a small spherical capsule without teeth on the top.


    The fluorescence is emitted from the spores, which are not much bigger than sesame seeds.


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