Cheick B.
Google
There is a very good exhibition about the 1989/90 year, when the wall came down. It's only documentary films on 10 huge screens and the sound comes from headphones. The best scene for me was, when former GDR border police dismantle the passport check booths inside Friedrichstraße train station - it's like they just cleaning up after a 28 year long, bad theatre performance...