Monday PM Linkage
[Old school Union Square postcard courtesy Whatimseeing.com]
?? More fun with maps: ghost tracks of the Mission [Mission Mission]
?? Bird love on Potrero Hill [The Potrero View]
?? Modernist porn for rich renters [TIME]
?? Some crazy-ass condos, for your viewing pleasure [Web Urbanist]
?? Next thing to crumble: “psychiatric” infrastructure [BLDGBLOG]