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A journey to the bowels of the earth - researchers from the Hebrew University descended to a depth of more than two thousand meters

Researchers from the Hebrew University descended two thousand meters below the surface of the earth, to the "Everest of the cave world" as part of an international expedition that broke the world record for reaching the depth below the surface of the ground

A member of the Israeli delegation, Yuval Elmaleh, inside the "Krobera and Voronia" cave. Photography by Boaz Langford
A member of the Israeli delegation, Yuval Elmaleh, inside the "Krobera Voronia" cave. Photography by Boaz Langford

Cave researchers from the Center for Cave Research at the Hebrew University (Malham) where this week is a month-long research expedition in the deepest cave in the world. The cave known as "Krobra Voronya" is considered the "Everest of caves" and is located in the Republic of Abkhazia in southern Russia.

The Israeli explorers Boaz Langford, Leonid Feigin, Vladimir Boslov and Yuval Almalich arrived at the cave as part of an international expedition organized by the Ukrainian Cave Research Organization, and cave explorers from 9 countries including Russia, Spain, England and Lebanon participated in it. According to Prof. Amos Fromkin, a cave expert from the Department of Geography at the Hebrew University who is the head of the expedition, the purpose of the expedition was to break the world record for reaching underground - a goal that was achieved after a diver from the expedition managed to reach a depth of 2,196 meters below the surface, 5 meters lower than the previous record .

The access to the depth of the cave was carried out by gliding on ropes while passing through complex routes built according to the path of the water flow in the cave. The water in the cave is at a temperature of about 2 degrees and the members of the expedition had to dive in it in order to advance to the lower part of the cave. According to the members of the Israeli delegation, the most difficult operation was climbing out with the heavy equipment, after many days of being in the dark and sleeping in base camps set up on mud flats. During the expedition's stay underground, a number of unexpected events also occurred: a sudden flood broke out deep underground and forced the expedition to wait in complete isolation for about 30 hours, as well as a complex rescue operation of a diver who was killed in a parallel expedition.

The members of the Israeli delegation worked in the cave at depths between 500 and 2,080 meters and during their work broke several Israeli records in the field of caving: 2,080 m below the surface is the lowest point reached by Israelis so far and is also the lowest point in the world that can be reached without technical diving. Leonid Feigin, one of the members of the expedition, stayed in the cave for 24 consecutive days - the most time an Israeli has ever spent underground.

Boaz Lanford, who is involved in the measurements and mapping of caves in Malham, says: "The preparation for such journeys is lengthy and also includes a lot of mental work. I've been trying to get to this expedition for several years, and I'm glad I finally succeeded. One of the most exciting things about the expedition was discovering a new species of transparent fish that swims in water at a temperature of 2 degrees at a depth of two thousand meters."

"Exploring caves is an area in which we must work together, because the descent into the depths requires many crew members, especially in a cave as complicated as this one," emphasizes Professor Frumkin. "The basic goal of cave research is first and foremost to understand the caves, the underground water, the geological development and the ancient climate that existed on Earth. One of the interesting questions regarding Crobra and Voronia is how the cave reached such a depth, and the assumption is that this is related to the drop in sea level during the ice ages or in earlier periods." According to Frumkin, apart from the scientific importance of cave exploration, many cave explorers also do it for the personal challenge and sense of adventure. "You have to remember that the caves remain the last place in the world where you can still be the first person to set foot in a new place."

19 תגובות

  1. Abkhazian Republic in southern Russia???
    Abkhazia is recognized as an independent state by Russia, Nicaragua, Venezuela, Nauru and Vanuatu. The other countries of the world see it as part of Georgia

  2. The sacred language is the original language, and all the deterioration of the language originates from Ben Yehuda who tried to distort and change the sacred language into a profane language and thus did not revive the Hebrew language but tried to kill it. And today its results are visible to all.

  3. And how could I forget all those who don't know the difference between worthwhile and worth
    those for whom full and plenty are the same thing,
    or those who do not know the difference between a number and a quantity,
    The one for whom no one and nothing is this,
    Indeed yes, it is possible that there is a problem with male and female numbers...obviously there is a problem
    And as evidence, many of the people's representatives do not know how to count from one to three without errors,
    Indeed "Hebrew is a difficult language" therefore it is permissible to twist and mock it.

  4. Sorry for trying to correct an error in Hebrew,
    Because the "fixation in the language" does not correspond to the "technological development" and therefore it is permissible to round off the edges and disrupt the language,
    You can continue to make mistakes and say diver, just as you can continue to inflect compound nouns to the plural
    Such as: weapons, cars, fuel, information, etc., you can continue to mistake between a tenant and a landlord,
    You can continue to use blaz and instead of situation to say situation, instead of information to say information and so on,
    You can keep saying "I will come" or I "will", you can keep using empty words in every sentence
    And instead of saying the main thing, add "such and such" or "some kind of" or "such" or "actually" or even "the same",
    You can cancel the syntax and say "such a house",
    You can also continue to write about a judge in Germany who banned circumcision while in German there is no concept of circumcision
    And what the judge was dealing with was a word... A word, not a covenant or any other agreement
    It is possible to continue to turn Hebrew into a slur, because there are announcers and members of the Knesset who do this.

  5. Three people are standing on the dock and in front of them is a submarine.
    Two people go down in a submarine to the depths.
    One remained standing on the pier.
    In a submarine, one puts on wetsuits and gear and goes outside the submarine.
    One stays inside.
    What word describes the one who came out of the submarine?
    What word describes the one who stayed in the submarine?
    What word describes the one who stayed on the dock even though he looks like a cleaning worker, but no, he has a diving certification!

  6. Let's stop these stupid sidelines and all agree that the appropriate word for such a site is Amudai 😉

  7. About language and square people
    One of the bad things that came with the technological development is the fixation on the language
    Language needs to change and improve all the time
    Now they have established the language academy for us to maintain the definitions between which there is nothing at all between logic

    Diver or diver what does it matter
    The message made clear is what matters
    Thanks for the beautiful article

  8. I still think that the use of the word "diver" instead of the word "diver" is wrong, even if someone has decided that it is correct. Mistakes in judgment should be corrected, and if this is not done, it is better to use the so-called "misguided" phrase, as most people do.

    The problem is that the word "diver" uses the same word as the verb and the adjective (name of the professional who specializes in diving). it's confusing.

    For example: and according to the so-called recommended method, an electrician should not be called an electrician but an "electrician", also a "welder" should be called "mertach" instead of "welder". You see how confusing it is.

    It is true that in Hebrew there is the use of professional names such as "Shochat" and "Mohel" and the like, which may be confusing, but which names are so old and rooted that they dare not change them. Regarding diving, which is a relatively new profession, there are no established names, so there is no need to create an unnecessary mess.

    I also don't see any problem with calling a submariner a diver. It's not confusing. What's more, all the submariners are probably supposed to dive personally from time to time. If someone still wants to call a submariner a special name, as opposed to just a diver, let them invent a new word.

  9. to the skeptic
    As you wrote "I'm not an expert in Hebrew", go out and learn: people with a profession and occupation are called by their occupation,
    Thus one who boils is called a boiler (not a boiler) one who electrifies is called an electrician (not an electrician)
    Those who bake are called bakers (not bakers) in the army and are given the rank of rifleman (not Rubenan).
    And so on, since and ever since the submarine was invented it was necessary to differentiate between its crew members
    and the divers it was decided that they would be called divers.
    As someone who was involved in diving, I needed to know the correct concept, so I checked and found,
    To your credit, we can only say that this is a common mistake.
    But as you wrote, you are not an expert, therefore what "seems to you"... Erroneous .

  10. Bouncer

    I'm not an expert in Hebrew, but it seems to me that it is definitely correct (and even better) to say "diver" to someone who is involved in diving as a professional

    The word diver should be reserved for the inflection of the relevant verb (present-singular-masculine), because it is confusing if it is used both for a verb and for the purpose of describing a professional in the field of diving.

  11. It is indeed interesting, but those who write at the Hebrew University must know that in Hebrew
    A diver is a crew member in a submarine, who dives in water using breathing equipment
    (or in free diving without equipment) called in Hebrew a diver,
    Since there was no submarine in the area, the one who was hurt was rescued
    He is a diver (not a diver).

  12. Perhaps this is the deepest cave, but there are deeper artificial mines in which humans work, for example the deepest mine in the world: the Tautona gold mine in South Africa, which reaches a depth of about 3.9 km.

    Besides, how do you know how deep they are in the cave? Are they sending sonar or any waves up?

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