I would assume that not showing what the sign says probably means the video isn't the same place the article talks about. Why would you need a warning sign if people can barely get to the place? And if it's a discovered by so-and-so sign it would be of interest to the sort of people that actually go to Antarctica, so he would have shown it.

I avoid the strange links, more so ever since some douche tagged my residence as a tourist attraction, haha real funny.

I assume its about this?

https://www.sciencenews.org/article/cavern-west-antarctic-glacier-life

This sounds alot like how the start of the copypasta/4chan story about russia drilling into some artic lake/cavern and getting destroyed by merman like creatures began haha. Creepy.

But I dont know what you mean?

Thanks to those strata? fitness tracker heatmaps. We know several bases are up there, doing something.

edit

Teams funded by Russia, the United Kingdom and the United States attempted to drill into subglacial lakes. In 2013, the U.S.-led team succeeded, melting through 800 meters of ice and tapping into a reservoir called Subglacial Lake Whillans. It was teeming with microbes, 130,000 cells per milliliter of lake water (SN: 9/20/14, p. 10).

LOL maybe there is some kinda truth to that story.

Again google wasnt helpful finding this, duckduckgo wasnt either. Yandex com worked though. Also wasnt a merman, not sure why I imagined that, but octopus like. They also didnt die and they werent soldiers. Maybe I read a different version, but i think I originally read this maybe 6 years ago.

https://www.youtube.com/watch?v=SDKkraD9qKE

https://randomthings.pro/2023/08/23/giant-mysterious-cave-discovered-in-antarctica/