LONDON, ENGLAND - APRIL 30: Commuters prepare to travel on the District Line of the London Underground which is running a limited service due to industrial action on April 30, 2014 in London, England. At 9pm on April 28, 2014 members of the Rail, Maritime and Transport (RMT) Union commenced a 48 hour strike on the London Underground over plans to close all ticket offices with the loss of nearly 1000 jobs. (Photo by Oli Scarff/Getty Images)
