The researchers managed to lift the veil of secrecy over the death of tourist groups at the Kholat-Chakhl pass. An international expedition went along the legendary route of Igor Dyatlov's group, which exactly restored the events of 1959.
Then, in the darkness of a February night, nine tourists were killed for some unknown reason. The bodies were found a month later on the slope of the "Mountain of the Dead." This is what the local Mansi call her. And they themselves try not to go there …
And few people know that in 1993 a group of tourists from Kazakhstan died in Buryatia in circumstances similar to the history of the "Dyatlovites". A group of students led by Lyudmila Korovina went to the Khamar-Daban pass. Of the seven people, only one returned - Valentina Utochenko. She does not want to remember the horror she experienced.
Vladislav Rzhavtsev, a member of a local tourist club, also walked the fatal route to study the causes of those terrible events.
“Then there was a very strong cyclone, the weather deteriorated sharply. If a day before that they passed, well, the weather followed them immediately, but was more or less bearable, then in the morning of August 5, according to the surviving Valentina, it snowed, the temperature dropped sharply, almost to zero,”the researcher explains.
For several days it was snowing and raining over the mountains. Exhausted, the tourists took a break. The mountains in this part are completely bare, only stones, grass and wind. Why the group did not go down to the edge of the forest is unknown. Had to spend the night on a rocky peak.
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On the morning of August 5, the tourists set off.
“There was a hurricane wind, snow was falling, it was cold. Here is the first to fall Alexander Krysin, the strongest, the right hand of Lyudmila Ivanovna Korovina. His nose and mouth are bleeding, and, according to Valentina, he is dying. At least he loses consciousness and cannot go further, Rzhavtsev continues.
After that, complete chaos began in the group. Someone started to hide and run away. Someone banged their heads against stones.
The rest behaved like out of their minds. This is what the search and rescue report says. People tore at their clothes. Some had nosebleeds. Lyudmila Korovina died of a heart attack.
“The fact is that Valentina did not understand anything either. Perfectly healthy guys fall, tore their clothes, bang their heads against stones and die one after another. She could not understand what had happened, and when she realized that there was nothing she could do, she just went downstairs to somehow sit out this storm,”Rzhavtsev explains.
Valentina Utochenko was picked up by other tourists a few days later. The official cause of death of the Korovina group is hypothermia. But the researchers insist - people died from something else. Yes, they were lightly dressed, but there were warm clothes in their backpacks.
“They would be able to get dressed, a person cannot freeze so quickly. They died abruptly. They had enough time to get dressed. They began to suffocate, and by all indications it was poisoning, - suggests a member of the tourist club Natalia Rzhavtseva.
The researchers insist: there is too much in common in the deaths of the groups of Igor Dyatlov and Lyudmila Korovina to be a coincidence. Both those and others left the parking lot in panic, as if they were frightened by something. The bodies were found in various places. As if people were falling down dead, many were not wearing outerwear.
One of the initiators of the campaign to Kholat-Chakhl, Vladimir Borzenkov, is sure that infrasound became the cause of death of people.
“If you take the top of two neighboring mountains and draw a straight line between them, then about 60 tons of air per second passes along the ridge with a wind speed of about 15 meters per second. I believe that this is the most likely source of the infrasound that could affect the Dyatlov group,”the researcher assures.
Igor Dyatlov's group died on the night of 1 to 2 February 1959. Tourists from the club of the Ural Polytechnic went on a hike to the village of Vizhai, Sverdlovsk region. The day before the tragedy, they had already tried to climb the Kholat-Chakhl pass. Because of the stormy wind, they did not succeed, they postponed the ascent for the next day.
“In the dark, the so-called 'X' moment came, when the group was forced to hastily leave the tent. They could have come out through the entrance, of course. Nevertheless, they were forced to go to last resort and cut the tent. The urgency of the flight is evidenced by the fact that the group was practically not dressed,”explains Borzenkov.
The Dyatlovites ran out into the frost naked. That night, the temperature dropped to minus 28 degrees. Later, rescuers found warm clothes and shoes in the tent. The bodies of tourists were found at an impressive distance from the camp. What made people flee in panic? Some even barefoot. Hypothermia was recognized as the official cause of death.
Many versions have been put forward - from an avalanche to a UFO. However, today we can say: the expedition was killed by sound waves.
“Only something extraordinary could force one to leave the tent, in particular, for example, some kind of influence on the psyche. The brain, which has its own frequencies, was influenced by something external. In particular, an acoustic wave could have been affected,”says the researcher.
Few people know that if a person is exposed to low-frequency sounds, instant death will occur. No doctor will give an explanation for this. Scientists have conducted a number of experiments. The animals were exposed to infrasound, and this led to rupture of cerebral vessels and cardiac arrest.
“Even not very strong levels of infrasound affect the mental state of a person. In particular, there is a feeling of fear, a feeling of insecurity, internal organs begin to tremble. With an increase in the amplitude of the sound, breathing disorders may occur and the rhythms of the heart go astray. Higher sound levels lead to damage associated with oxygen supply to the brain,”explains acoustic scientist Kanaev.
Fierce winds in the Ural and Trans-Baikal passes could turn into a tornado.
They walked far from the tents and tourist camps. And they didn't even damage them. But the tornado caused an unusual phenomenon. People felt the influence of infrasound, so in a terrible panic they rushed to run.
“Infrasound has an effect not only on the human psyche, but also on the whole organism. These vibrations are dangerous because they are difficult to detect. For example, fluctuations of 7-8 hertz can also cause disturbances in the work of thought processes, panic, a feeling of unexplained anxiety, danger,”says Svetlana Artemova, Candidate of Medical Sciences.
Despite the development of science, infrasound is still poorly understood. It is only known that these are low frequency waves. We do not hear them, but we obey them. Recent studies by scientists confirm that infrasound causes panic, horror in people, can drive you crazy and even cause cardiac arrest. The most thorough investigation will not find any traces.
A strong wind at sea or in the mountains, a thunderstorm and even aurora is one of the reasons for the appearance of infrasound. Now researchers are sure: the mysterious death of two expeditions is indisputable proof of the existence of a fantastic killer sound.