Autotranslation for the lazy https://iipg-conicet-gov-ar.translate.goog/hallan-cuatro-gli...

In the photo of 2020 thet have more dirt arround them. Probably they were discovered ib 2020 and there is an update from 2024.

Considering that the only comment on the piece is four years old as well, this looks like a repost from that time.