Inaugurated in 2009, the gallery is the result of a five-year process encompassing research, design, and construction. Sonic PavilionDeveloped from the experience of artist Doug Aitken at the Inhotim Institute, the gallery features a 202-meter-deep hole at its center through which a set of microphones capture the sounds of the earth. Transmitted in real time, the emitted noises fill the entire space. The gallery's glass is coated with a filter that makes the landscape – from valleys to mountains – clear when viewed from the front, and diffuse when observed from any other angle.