Brandlhuber+ have compiled 58 remnants of standard-oriented architecture in Berlin, ranging average lots of 10 m long by 0,4-2,5 m wide. In their research, they calculate the whole unbuilt volume in 7,563 m3 and around 20,000 m2 of windowless walls.

Read more on www.deconcrete.org/2011/03/30/2070/