In San Francisco, there are over 700,000 trees: one for almost every person
who lives in the city - Full Image

Hughen / Starkweather
Over 1500 bike racks are installed on San Francisco sidewalks
Archival pigment print, 30 x 40 inches, 2007. Edition of 3.

In this image, Starkweather's circles -- each made up of grey, black, and white dots and pinpricks into the Mylar -- represent the placement of bike locks in downtown San Francisco. Hughen references the grid that dominates the physical environment downtown: buildings, windows, sidewalks, bricks, and streets.