In the Igbo-Ukwu region of Nigeria, researchers have unearthed a cache of bronze-bound wooden yam-pestles buried in a pattern suggesting a ceremonial enclosure. These artifacts are linked to the ‘Festival of the Earth-Mother’s Breath’, a pre-colonial rite where the first pounding of the harvest was used to invite ancestral spirits to bless the land for the coming year.
The pestles are decorated with geometric patterns and anthropomorphic figures, showcasing the sophisticated lost-wax casting techniques of early West African civilizations. This discovery provides crucial evidence for the long-standing cultural significance of yams as a sacred crop, beyond their role as a staple food source.