Archaeologists Found the World’s Oldest Known Ground Stone Needles Archaeologists found six 9,000-year-old ground stone needles in western Tibet, among the ear

Archaeologists Found the World’s Oldest Known Ground Stone Needles Archaeologists found six 9,000-year-old ground stone needles in western Tibet, among the earliest known of their kind. Their exact purpose remains debated [📷](https://pbs.twimg.com/media/HTK_MInXYAAZkty.jpg) [📷](https://pbs.twim…