Occurred: February 5, 2016 / Salt Lake City, Utah, USA Info from Licensor: Due to a temperature inversion, which traps both cold air and pollution, “Salt Lake City has the worst pollution in the..

Location: Salt Lake City, Utah, USA Occurrence Year: 2012 Info From Licensor: "I have perfect pitch, love cars and love music. I decided to organise an innovative way of utilising our horns. We..