This is amazing. Not just the time and energy, but music editing, thought-provocation (is that even a phrase?) and his openness to sharing the video. Of course, each viewing promotes his work, but the thought counts.
Some more information:
The new short film by Blu: an ambiguous animation painted on public walls.
Made in Buenos Aires and in Baden (fantoche)
music by Andrea Martignoni
produced by Mercurio Film
assistant: Sibe
You SHOULD visit the website. It’s A-EFFING-M-A-Z-I-N-G.
Okay night! 
That was awesome!
Sacrilegiously says : I absolutely agree with this !
Somehow i missed the point. Probably lost in translation
Anyway … nice blog to visit.
cheers, Embosser.