Plans have been unveiled to build a cliffhanging heritage and visitor centre in Aberdeen.
The 500ft deep quarry, believed to be the biggest man-made hole in Europe, is credited with giving Aberdeen its Granite City nickname.
The Rubislaw Quarry, which closed in 1971, was sold to Sandy Whyte and Hugh Black in 2010.
The developers say they hope that the centre, which would host conferences, events and weddings, would be open in two years.
Part of the iconic building would hang over the hole, which the businessmen hope would help draw tourists and locals to the site.
David Halliday, of architects Halliday Fraser Munro, said: “This is a fantastic opportunity to showcase an important part of Aberdeen’s history.
“The innovative and dynamic design compliments the existing dramatic setting and will give visitors an unforgettable experience.”
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