{
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  "title": "Hidden Cities",
  "subtitle": null,
  "slug": "hidden-cities",
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  "first_published": "2022-05-26",
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  "description": "We often know and recognize the skyline of cities but are completely unaware of what is hidden underground: discover the underground city in the Australian desert, learn about Canada's shopping arcades or New York's spider-web-like underground transport network. The last page features the most striking and audacious underground constructions such as the Channel Tunnel linking the UK to France.",
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      "title": "Hidden Cities",
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      "isbn": "978-19-1451-904-8",
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