Post Office's Mail Rail network to be opened up to tourists

The video explores the history and significance of the Mail Rail, a network of tunnels used by the Postal Service for 76 years until 2003. Ray Middlesworth, a long-time worker, shares his experiences and the unique features of the Mail Rail, which runs beneath London. The British Postal Museum aims to open the Mail Rail to the public, requiring additional funding to preserve this piece of industrial heritage.

How does the mail rail compare to the London Underground in terms of structure?

What is the significance of the mail rail as part of Britain's industrial heritage?