Mexico's sonic archaeologist Emiliano Castillo clinched the Cannes Innovation Grand Prix for "Echoes of Tenochtitlan," embedding pre-Hispanic resonance chambers into Pino Suárez metro station. Collaborating with the National Institute of Anthropology, Castillo recreated 15th-century "tzicalli" clay vessels scaled as architectural columns that amplify footsteps into ritual drum frequencies when commuters pass through limestone pathways. Humidity sensors trigger hydro-acoustic membranes to release copal resin aromas synchronized with reconstructed temple chants based on codices. 

The breakthrough "Sound Stele" at platform entrances uses basalt resonance to convert real-time seismic data into tactile vibrations – subtle tremors (<4.0 Richter) generate calming teponaztli rhythms while stronger quakes activate evacuation glyph projections. Impact metrics revealed cultural revival: anthropology museum visits surged 300% and indigenous language classes reported record enrollment. Tokyo Metro now prototypes Castillo’s seismic-sonic system for disaster response training.