This is the architectural expression of how the government has allowed the police, through terror legislation (specifically in this case Lord West's terrorism strategy CONTEST2) to militarise our public realm unabashedly and completely. The top picture looks like a checkpoint along the Berlin wall, and I think it's really interesting how the photographer has tried to give it the maximum intimadation factor by taking the picture from down low.
Quick Link Lite was first used at the G20 summit in London in April, and is coming soon to a perfectly legal and peaceful demonstration near you...