During lunch time, I discovered an old street art video (well, old = 2010) where people poured hundreds liters of painting on Rosenthaler Platz (Berlin, Deutschland) to visualize traffic patterns (below: screenshot and video).
[youtube=http://www.youtube.com/watch?v=tXCnWUzUw_E]
This reminded me that I recently discovered that Google Maps now includes traffic for Brussels. It was the case for Berlin since a long time and the Rosenthaler Platz looks quite quiet for the moment:
It’s not exactly the same colours ;-)
(found via Olybop ; original page)