Some contain human bones, which are thought to have been cleared from the cemetery which was built on for the new cathedral.

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Experts say the some of the sloping site adjoining Mold Cemetery will be built up and levelled to accommodate 360 new burial plots.

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Those who invested in large homes also invested in grand crypts at the nearby Lafayette Cemetery Number One, where tombs were built above ground due to the high water table.

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Built in 1906 as a traditional cemetery, Forest Lawn was revamped by Dr. Hubert Eaton in 1917.

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The church, a famous setting in Bram Stoker's Dracula, was built more than 900 years ago, with the cemetery closing in 1865.

BBC: York & North Yorkshire