ɐkˈoːɹdɪŋ tə pɹəfˈɛsɚɹ ˈeɪmɑːs fɹˈʌmkɪn ʌvðə hˈiːbɹuː jˌuːnɪvˈɜːsᵻɾi, ðə kˈeɪv ɪz juːnˈiːk ɪn ðˌæɾə θˈɪk lˈeɪɚɹ ʌv tʃˈɔːk lˈɛft ɪɾ ɪmpˈɜːməbəl tʊ ˌɛni wˈɔːɾɚ kˈʌmɪŋ fɹʌmðə sˈɜːfɪs.
According to Professor Amos Frumkin of the Hebrew University, the cave is unique in that a thick layer of chalk left it impermeable to any water coming from the surface.