LONDON, ENGLAND - MARCH 23: A model railway enthusiast repairs a model locamotive at The London Festival of Railway Modelling at Alexandra Palace on March 23, 2014 in London, England. The London Festival of Railway Modelling will run from 22nd and 23rd March. The exhibition is London's leading railway modelling event, the weekend will see 40 working layouts on display hand-picked by The Model Railway Club with over 100 traders, clubs and societies.  (Photo by Rob Stothard/Getty Images)