The Underground in London

One of the main transportation system in London, the Underground (a.k.a. Tube) has been operated for 150 years. It is considered as the most efficient and highly dependent transportation by the people (locals and tourists) in London, even with the famous double decker bus and the black taxi. Running on 11 lines covering most parts of London, from east to west, north and the busiest Central line. The trains are fast and furious.

Picture by Nokia Lumia 1020 with default auto settings