But how many of them have you heard about?
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5. Sheffield Cathedral
The Crypt Chapel of All Saints, located beneath Sheffield Cathedral, is the first purpose-built chapel in an English Cathedral for the storage of ashes. Photo: JPI Media
6. Furnival Square
First opened in the 1960s, Furnival Square was demolished in the early 2000s. Photo: JPI Media
7. Ring Road Underpass
This underpass connects The Moor with London Road. Photo: JPI Media
8. General Cemetery
Sheffield's General Cemetery has secret catacombs located within its grounds. Photo: JPI Media