A man, using a hire bike, cycles past commuters waiting at a bus stop outside Waterloo Station in London September 7, 2010. Millions of commuters across the capital struggled to get to work on Tuesday as a 24-hour strike by workers on London's underground rail system crippled much of the network, hurting the city's convalescent economy. REUTERS/Dylan Martinez (BRITAIN - Tags: SOCIETY EMPLOYMENT BUSINESS TRANSPORT)