A train going through Metro Land. The advertising slogan developed to entice workers from cramped homes in Central London out into the rural paradise of Middlesex, Hertfordshire and Buckinghamshire between 1910 and 1933. The term was thought to have been invented by James Garland, who according to legend was ill in bed with flu but sprang out of bed when he thought if the term. If any of you have flu reading this just think of a new idea and you will be cured