All are special shapes of nature that make up a subject that should not be missed by any photographer. But how often do we venture into the underground world? Perhaps "very rare" is the answer given by the vast majority of us, that is, if we are not speleologists. Although there are voices claiming that the underground world is sinister and not photogenic, I want to prove the opposite and to present you a place as if it were from another world. A world I've been doing for a few minutes and I've been part of it