English Aeolian Tower
The Aeolian Tower was an art installation on the South Bank of the River Thames in London, consisting of a 15-metre (49 ft) steel tower covered in 1200 wind-powered LEDs. It was in place beside the Waterloo Bridge for three days, 14–16 November 2008.
Designer Zena Bruges explained her intention to "visualize the invisible, making people realize that there's a lot of energy out there that we're not using". The Aeolian Tower was part of the onedotzero "Adventure in Motion" festival at London's BFI Southbank.
Source: Aeolian Tower