Nicola, a cave explorer, first discovered the cave and heard stories from local residents about Jews hiding in the caves. After ten years of searching he finally found a member of the family who had survived in the caves now living just blocks from him in New York. Relying on a memoir written by the matriarch of the family in 1960 as well as recollections from family members, he went back to the cave to document the existence of the family within the cave. His efforts were underwritten and reported by National Geographic. Some of the family members, from toddlers to a woman over 70, had resided there for 344 continuous days, the longest instance on record of uninterrupted cave living.
Nicola talked of their survival without any of the equipment and clothing that is commonly used by cavers today. They basically learned how to survive in this new environment. They tunneled to create an escape route which they had to use when they were discovered in the first cave. In the second cave they found a natural lake, learned how to dry the moisture on the walls and adapted to living in darkness.
Several family members who survived were killed by Ukrainians after the war had ended. Most of the family immigrated to the US and Canada.
To learn more you can find an interview on NPR and read the article in National Geographic’s Adventure magazine.