2 loooong walls by SLAK from Russia. Direct links to the hi-res pix: 2012 wall + 2011 wall.
The future was much better back in the days. Check the photos from Dirty Print blockhaus on Zooloose.
A bit late but here is a selection of very good & interesting photos posted last fall on ekosystem.org. Photo of the TGV by OKS crew.
Uri vs Gaudi Uriginal Uriginal Uriginal Uriginal https://blog.ekosystem.org/2009/02/chor-boogie-in-brazil/