Crown Fountain, located in Millennium Park, is an interactive public fountain in the Loop community area of Chicago in Cook County, Illinois, United States. Designed by artist Jaume Plensa, it opened in July 2004. The fountain consists of a black granite reflecting pool located between a pair of technically sophisticated opposing glass brick towers. The towers are 50 feet (15.2 m) tall and use complicated electronics… Throughout most of the warmer months, water continually cascades down the two sculptures, while water intermittently spouts through a nozzle located on each of the structures’ front faces. The fountain is known for the digital videos of Chicago residents it displays continuously throughout the year.
Image and text from Wikipedia. Via Signal vs. Noise.