A massive shell-tempered dance floor, measuring over 40 meters in diameter, has been uncovered in a remote region of the Northern Amazon. Dated to approximately 2,500 years ago, the site features specialized acoustic resonance chambers built beneath the clay surface to amplify the stomping of dancers.
Artifacts found at the site include macaw-beak ornaments and ceramic flutes, linking the plaza to the 'Festival of the Great Macaw', a tradition still practiced in modified forms by local indigenous groups. This find pushes back the known timeline of complex ceremonial architecture in the Amazon basin.