But as the fieldwork continued, the researchers uncovered additional sandstone fragments, some bearing similar runic inscriptions, in other nearby graves. The broken pieces appeared to fit ...

they noticed several similar-looking sandstone fragments. One large stone had a few cut marks but no discernible letters. Other smaller, marked-up stones looked almost like slices of something larger.

Erosion transports the fragments away. Working together they create and reveal marvels of nature from tumbling boulders high in the mountains to sandstone arches in the parched desert to polished ...

They first found a large fragment with runic traces, then uncovered more sandstone pieces with similar inscriptions in nearby graves. Researchers concluded that these fragments were once part of a ...