A breakthrough excavation at a Zapotec site in the Oaxaca Valley has revealed a trove of malachite-incrusted copper bells, providing a rare look into the 'Festival of the Sky-Looms'. This ancient celebration, held at the start of the rainy season, was dedicated to the goddess of weaving and fertility. The bells were designed to mimic the sound of falling rain and were worn by dancers who performed on elevated wooden platforms to simulate the 'interweaving' of clouds and earth.
Alongside the musical instruments, researchers found obsidian weaving battens decorated with turquoise, suggesting that weaving was not just a domestic craft but a sacred performance during the festival. The alignment of the dance platforms with the rising of the Pleiades further confirms the astronomical timing of the event. Experts believe that the integration of copper metallurgy and semi-precious stones signifies a period of intense wealth and regional trade, where the aesthetics of the festival served to reinforce the social status of the weaver-priests.