![](http://www.alamy.com/thumbs/6/6B2D5CF0-C06C-41FB-B90F-D9F76A5A65CF/KETB2J.jpg)
A river turned red by microorganisms runs through salt ponds near San Francisco giving the impression of blood vessels.
Size: 3433px × 2289px
Location: San Francisco, CA, United States
Photo credit: © ViewFromAbove / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: abstract, aerial, arteries, artery, blood, bloodflow, california, flow, francisco, grey, meander, microorganism, overhead, pattern, ponds, red, river, rivulets, salt, san, symbolic, tributaries, usa, vessels