LHR-London, England Hat

LHR - London, England aka The Big Smoke, Foggy London Town

1.  Tubing started in London - "The Tube" that is.  The London Underground is the oldest underground railway network in the world and was built in 1863.

2.  It is considered an act of treason to put a postage stamp with the queen's head upside down on an envelope.  How dare anyone disrespect the queen or her corgis. 

3.  Taxi drivers in London have to memorize every street and important building in the city within six miles from Charing Cross and they also have to pass a test called "The Knowledge" before they can drive a cab.