The London Underground is a pretty incredible feat of engineering, carrying millions of passengers around the capital every year. Eleven lines cover around 402km, serving 272 stations across the city. It's a whole world of its own, both above and below ground, so it's no surprise that the system is full of strange quirks and curiosities. When a train approaches a platform, you can usually only get off from one side. The side the doors open is, of course, not the same at each station. If a train

🚇🗺️ A London-based developer has created a live 3D map of the London Underground. The interactive map uses real-time TfL data to show trains moving across nine of the 11 Tube lines. Ben James said he thought people "enjoyed it much more" than he thought, and said "it's been really fun to see". #London #LondonNews #LondonLife #LondonUnderground #LondonTube | BBC London