On November 9th, Berlin celebrated the 25th Anniversary of the Fall of the Berlin Wall. [Christopher](http://www.christopherbauder.com/) and [Marc Bauder](http://www.bauderfilm.com/#welcome), along with their friends [Robert Havemann Gesellschaft](http://www.havemann-gesellschaft.de/) and [Kulturprojekte Berlin](http://www.kulturprojekte-berlin.de/en/home.html), placed 8,000 balloons where the wall once stood. The installation is called LICHTGRENZE.
