by Owen Perry

source: http://circa1983.ca/Chilcoti...

source: http://www.geekologie.com/2012...

by Anne Lemanski

source: http://annelemanski.com/artwork...

by Daniel Pivnick

source: http://www.flickr.com/photos...

for @mykgs

As seen from Billy Goat Hill in Noe Valley. 50mm, 51 seconds, f/8, ISO 80.

by Bob Horowitz

source: http://allcitysf.com/2012...

source: http://pieceoplastic.tumblr.com/

source: http://i.imgur.com