San Francisco BART station walksheds Thickness of lines is logarithmic because otherwise the huge numbers of people on the blocks immediately adjacent to the downtown stations are about all you can see.
Something to look forward to! Jenny Odell's Satellite Landscapes series which will be exhibited in November Shown here: A single element from one of the original four landscapes exhibited from February-March 2014 at Intersection for the Arts.
A Satellite Outlook
Objects Found In Google Satellite View Become Stunning Mosaics