The tweets are here:
https://twitter.com/realityseaker/status/1677744254918049794
and here:
https://twitter.com/UAPodcast850/status/1678855434705182721
I wish it was true, but I have doubts about it.
It's easy enough to find the building on google maps:
https://www.google.com/maps/place/37%C2%B024'48.5%22N+126%C2%B055'44.4%22E/@37.4134617,126.9264272,572m/data=!3m1!1e3!4m4!3m3!8m2!3d37.4134617!4d126.9290021!5m1!1e4?entry=ttu
And if you zoom out you see that it's not even remote. So a UFO crash here without any pictures \\ videos is extremely unlikely.
Also, the antenna on the roof got me thinking, I've seen that before, and that is where I often walk our dog, see here:
https://www.google.com/maps/@58.0845749,7.9084282,63m/data=!3m1!1e3!5m1!1e4?entry=ttu