Terence Chang (Flickr alias exxonvaldez) took some breathtaking long-exposure photos of San Francisco's International Airport, or SFO.
The collection of 16 photos, taken between July 13, 2008 and April 16, 2010, visually describe landing and take-off patterns for the airport. Yes those funny looking white streaks are all planes.
Taken together, the unusual photos show the life of an airport through aircraft.
See the incredible nighttime photos below.