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Chart of the day: Life expectancy on the Central Line

The UCL's Lives on the Line project maps life expectancies in London onto the Underground network, one of the most iconic representations of the city there is. We picked one line – the Central Line, one of the busiest in the network – to show the variation. Click on the image to see the full line.

Alex Hern is a technology reporter for the Guardian. He was formerly staff writer at the New Statesman. You should follow Alex on Twitter.