Salt stalactites are seen inside the Malham Cave, which Israeli researchers say is the world's longest salt cave, in Mount Sodom near the Dead Sea, Israel, March 27, 2019. (Photo/Agencies)
Members of the media are seen during a tour inside the Malham Cave, which Israeli researchers say is the world's longest salt cave, in Mount Sodom near the Dead Sea, Israel, March 27, 2019. (Photo/Agencies)
Salt stalactites are seen inside the Malham Cave, which Israeli researchers say is the world's longest salt cave, in Mount Sodom near the Dead Sea, Israel, March 27, 2019. (Photo/Agencies)
Salt formations are seen inside the Malham Cave, which Israeli researchers say is the world's longest salt cave, in Mount Sodom near the Dead Sea, Israel, March 27, 2019. (Photo/Agencies)
Efraim Cohen, a member of Hebrew University?s Cave Research Center, stands next to salt stalactites inside the Malham Cave, which Israeli researchers say is the world's longest salt cave, in Mount Sodom near the Dead Sea, Israel, March 27, 2019. (Photo/Agencies)
Salt stalactites are seen inside the Malham Cave, which Israeli researchers say is the world's longest salt cave, in Mount Sodom near the Dead Sea, Israel, March 27, 2019. (Photo/Agencies)
A woman walks inside the Malham Cave, which Israeli researchers say is the world's longest salt cave, in Mount Sodom near the Dead Sea, Israel, March 27, 2019. (Photo/Agencies)