Sites of people with stone vessels were first discovered in northeast India in 1929 by James Philip Mills and John Henry Hutton near the village of Ndunglo in the hills of North Cachar, Assam.
This year, scientists discovered another 65 sandstone jars in the Assam area. Many of them are taller than human height!
In total, the team of archaeologists discovered seven sites with artifacts. Stone jugs and round flat stones are found in groups of various sizes and shapes.
In some excavation sites, two oblong-shaped ponds were artificially excavated with an unusual round stone slab located in the center.
These vessels have remained a mystery for decades.
Scientists note that there is a clear pattern. For example, almost all stone jars are located on flat areas on hilltops.
Four jugs, which were removed from the ground for study, were found to contain shards, a small glass bead, and charred pieces of human bone.
Archaeologists have also unearthed broken sandstone slabs with engravings of animals and human motifs. They depict pigs, birds, a pot or gourd, a human face, and several motifs of a squatting human figure.
Alas, it is still not known exactly who, when and why created these jugs. Some of the versions suggest that these are like funerary vessels.
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