If you could build anything and put one in every country what would it be

Question: If you could build anything and put one in every country what would it be
- Keywords:
  build,
  country
Asked by 448heam32 to Eoin, Fiona, Ivor, Karl, Pattie on 26 Feb 2018.
- Eoin McEvoy answered on 26 Feb 2018:
  
  Elon Musk’s hyperloop – it would be amazing to be able to travel everywhere so quickly!

Question: If you could build anything and put one in every country what would it be