Take a look at the weird and the wonderful things that lie beneath our feet as well as pictures of people waiting to use an underground subway for the first time as we delve deep and explore Sheffield's subterranean past.
Want more Sheffield retro? Fargate through the decades, Construction pics of the Winter Gardens
9. Hats off
In January 2005 a mild steel sculpture of a bear (2.4m tall) was installed, to remind people of the former use of this structure. This picture show teams lining up for Great All Sheffield Quiz Photo: submitted
10. The Wicker Arches
A train leaving Sheffield Victoria along the Wicker Arches. The structure is Grade II listed and is a well known landmark for many Sheffielders. Photo: Peter Tuffrey
11. Built in 1848
The Wicker Arches were built in 1848 and form a 660-yard (600 m) long railway viaduct across the Don Valley Photo: submitted
12. People's March
The central arch was hit by an unexploded bomb during the Second World War but did not collapse and was repaired. This picture shows the marchers on the unemployed march make their way through the Wicker Arches on their way to a meeting at the City Hall, Sheffield May 1981 Photo: Julia Armstrong