An 8 minutes long exposure in a small backwater captured the patterns of foam from a tiny rivulet [2048x1536] by Peter Knott

http://farm9.staticflickr.com/8645/15501976943_f85009530d_k.jpg via /r/ExposurePorn http://www.reddit.com/r/ExposurePorn/comments/2qrp0e/an_8_minutes_long_exposure_in_a_small_backwater/