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Never-before-seen images of 'Birdsong' tunnels dug by British pit workers to undermine the German lines in First World War | Daily Mail Online
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Never-before-seen images of 'Birdsong' tunnels dug by British pit workers to undermine the German lines in First World War | Daily Mail Online
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Clay-Kicking or Working the Cross | Nottinghamshire Mining Museum - a history of Nottinghamshire Mining
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Peaky Blinders on Twitter: ""Well if it ain't the Tipton f**king clay kickers eh?" Army boys reunion. #PeakyBlinders" / Twitter
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Giving my old Red Wings a much needed shine. Been my go to clay kickers since 2012. : r/BuyItForLife
![Never-before-seen images of 'Birdsong' tunnels dug by British pit workers to undermine the German lines in First World War | Daily Mail Online Never-before-seen images of 'Birdsong' tunnels dug by British pit workers to undermine the German lines in First World War | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2012/01/27/article-0-117B84A9000005DC-331_634x439.jpg)