On a similar note, i'm interested in the phenomenon that occur with long exposure and timelapse photography. So here are examples of that: 

image sources:
http://www.myknownbuzz.com/wp-content/uploads/2011/06/Star-trails-3.jpg
http://fc06.deviantart.net/fs43/f/2009/152/8/2/8293f9633d18ea4b2a28db62b0f67edd.jpg
http://webdesignledger.com/inspiration/30-stunning-examples-of-long-exposure-photography