New York Times columnist Allison Arieff on the temporary parks and open spaces sprouting up in San Francisco and New York City--and the opportunity for land owners (in this soft economy) to lend their empty lots to .
This image, from , shows the site of one of San Francisco's newest temporary plaza at the intersection of San Jose Avenue and Guerrero Streets:

The San Jose/Guerrero parks use simple materials--many of them recycled--to create instant atmosphere.

Arieff's column also featured many great images from last week, as well as a link to a featuring PARKS by ºÚÁÏ´«ËÍÃÅand other members of the San Francisco Great Streets Coalition.