We've all been stuck behind one or held up at an intersection where a procession is slowly travelling through even though the traffic signal is green in your direction.
On this anniversary of September 11, 2001, let's pause to look back at some of the photos released that day and the days that followed so that we may never forget.
Untreated industrial waste, sewage, and chemical runoff severely contaminated this NYS lake, causing it to become one of the most polluted in the United States.