The Berlin Wall was built in 1961 to stop people fleeing the communist East. Its fall in 1989 became a powerful symbol of the end of the Cold War. The white balloons - perched on 3.6m poles to ...

From Nov. 7–9, a 9.5-mile (15.3-kilometer) stretch of what was once the Berlin Wall will be illuminated by 8,000 helium-filled white balloons made of 100 percent biodegradable organic latex.