London is once again at a standstill. A five-day strike on the Underground has brought much of the capital's transport system to a halt, stranding millions of commuters and raising urgent questions: how dependent is London on the Tube, and what realistic alternatives do commuters have when trains stop running?
With the London Underground handling more than three million journeys every day, the city's reliance is clear. But the ongoing strike, staged by members of the Rail, Maritime and Transport union (RMT), has exposed both the strengths and the weaknesses of Britain's most iconic transport system.
