London Underground

a photo exhibition celebrating 150 years of the Tube
exhibition information, sponsors and publications

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Building Blocks

Cast iron segments withstand immense gravitational forces, incessant vibrational stress and acid attack to provide safe passage for underground trains. Innumerable bolts embody the steadfast toil of long-gone tunnel builders.
©Yangchen Lin

yangchen lin london underground tube subway metro cast iron tunnel screw bond street station bolt tube150 photo exhibition