Pictured is the artist’s impression of part of the Public Works Central Laboratory (left) and the Government Records Service’s archives centre (right) at the portal area after the cavern developments are completed.

Pictured is the artist’s impression of part of the Public Works Central Laboratory (left) and the Government Records Service’s archives centre (right) at the portal area after the cavern developments are completed.

Pictured is the artist’s impression of part of the Public Works Central Laboratory (left) and the Government Records Service’s archives centre (right) at the portal area after the cavern developments are completed.