Undercurrents by world-renowned multi-media artist Rafael Lozano-Hemmer transforms Houston’s historic Buffalo Bayou Park Cistern into an immersive environment of light, poetry, and interactive sound. The project is the fifth major artwork created for the space, but the first truly interactive installation to invite visitors to shape and continuously transform the experience itself.

Originally constructed in 1926 as an underground drinking water reservoir, the 87,500-square-foot Cistern stretches beneath Buffalo Bayou Park with 221 twenty-five-foot concrete columns rising from a reflective pool of water. It was decommissioned and abandoned before becoming a cultural site when it reopened as part of the park in 2016.

Undercurrents uses a mile’s worth of bright white LED light cables zigzagging above the mirrored surface of the Cistern’s water. Eight intercom stations along the perimeter platform invite visitors to contribute spoken messages, which travel as light pulses in an endless array of patterns over the water and around the columns. Using an AI classification system, the artwork analyzes incoming recordings and searches its growing archive of past visitor contributions, responding with echoes from previous participants. Each voice leaves a trace, becoming part of the evolving memory of the piece.

Interwoven throughout the installation are commissioned spoken works by Houston writers and poets Aris Kian, Jennifer Teets, Martha Serpas, Nick Flynn, and Roberto Tejada. Their recordings merge with visitor contributions to create a shifting choral soundscape that reverberates throughout the Cistern. Through participation, dialogue, and accumulation, Undercurrents transforms the historic reservoir into a living archive of Houston’s voices.

Photography by Nicki Evans.
Video by Tripp Films.