A trial run of the London Underground, in 1862. Photo: Getty Images A trial run of the London Underground, in 1862. Photo: Getty Images
A trial run of the London Underground, in 1862. Photo: Getty Images

Going underground: the cheapest, deepest, oldest subway systems in the world – but which is home to its own mosquito?

  • There are some 180 public subway systems across the globe, with the newest network being added in Inner Mongolia, in 2019
  • More than just forms of transport ferrying millions around, some act as art galleries or propaganda projects

Topic |   Transport and logistics
A trial run of the London Underground, in 1862. Photo: Getty Images A trial run of the London Underground, in 1862. Photo: Getty Images
A trial run of the London Underground, in 1862. Photo: Getty Images
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