(Riparian means related to riverbanks, which I only know because of editing stuff for the Department of Environment. It’s an important biome okay.)
“Archaeologists have uncovered crystal arrowheads, an exquisite dagger blade, and cores used for creating the artifacts, that date to the 3rd millennium BCE.” They seem to be grave goods. Honestly the full article is pretty dry, “structure 10.042-10.049 is another large two-chambered megalithic construction made from slate slabs” etc, just be happy there’s ancient crystal weapons and don’t ask for more.
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