aside, would Ivanov have known what infrasound was? Likely not. Nevertheless, Ivanov had done all he could with the information available to him at the time. When faced with a baffling set of circumstances that seemed to point to phenomena beyond his understanding, it’s not surprising that he would have entertained theories of “orbs” and UFOs. Some thirty years later, after his retirement, Ivanov put his feelings
As a conspiracy theorist, who has never heard of infrasound, I was kinda disappointed the whole Bigfoot/Yeti was ruled out. I have to admit... the explanation given does sound plausible.
