Scans of the nave were taken, as it has no existing floor plan, along with the Chapter house interior and its 20-metre high roof, which has been changed at least three times in its 700-year history.

video: A Leica P20 laser scan of the interior of Lincoln Cathedral nave and chapter house; computer-generated model created using Cyclone 9.0 software.

Talking about the show, Mr Walker said: "If you imagine the stunning interior of Lincoln Cathedral - pretty much every inch of it is covered with light and sound." ...