Meejin Yoon is an award-winning architect and public artist who works at the intersection of architecture, art, landscape, and technology. She may be best-known for her interactive light and sound installations for public spaces, which often incorporate alternative energy sources. In this video, we see Meejin's work in action. Enjoy "Light Drift" as you listen to Meejin Yoon discuss the process behind this installation on the Schuykill River in Philadelphia.