I once flew to London from Montreal on an Air Canada D C 8 in 72? The funniest thing about the flight was when we arrived over London,the little old Lady who was sitting beside me commented"Well we can't crash now!"We could see the yellow street lamps of London below and I asked why this was so,She answered"We are over the city so it just cannot happen!"This has remained with me all these years and still I chuckle on remembering it!