Some Maps w/ Figure & Ground

Here's an interesting map of west Berlin that completely ignores everything outside of west Berlin.
http://www.lib.berkeley.edu/EART/indexes/G6299_b3_s4_b4_index.jpg

Here's that Nolli Plan, which is considered the first great figure-ground map.
http://www.lib.berkeley.edu/EART/maps/nolli.html

While finding those I came across these related photos:
An aerial view of Alexanderplatz in 1973.
http://www.stadtentwicklung.berlin.de/planen/staedtebau-projekte/alexanderplatz/en/geschichte/1973_alexanderplatz02_800x527.shtml
Alexanderplatz in 1935.
http://www.stadtentwicklung.berlin.de/planen/staedtebau-projekte/alexanderplatz/en/geschichte/geschichte_bis_45/1935_alexanderpl_von_sueden_swluftbild_800x600.shtml