| The London Underground is an electric mass transit | | | | the moment the London tube is the longest |
| railway system or a metro system that covers the | | | | underground railway in the world. If the weather is nice |
| whole area of London and beyond the city of London. | | | | and one has time then take a trip on the Docklands |
| It runs both above and below ground. It is also known | | | | Light Railway (part of Tube Network) as it will give a |
| by the name of "the Tube", for its round-shaped tube | | | | magnificent view of the River Thames and the part of |
| like tunnels through which small trains move. | | | | town called Docklands. The line is mostly above |
| The London Underground is the oldest underground | | | | ground so one can enjoy some fantastic views of the |
| railway in the world. The first tube line opened in 1863 | | | | city and its waterfront. |
| and the carriages were pulled by steam engines. At | | | | |