01. De-install artworks (in this case five small framed watercolours by Georgie Hill, easy, and one large glasshouse by Zina Swansan, not so easy...)

02. Build a wall – 4 metres x 9 metres

03. Plaster, sand, and paint said wall

04. Install a live feed via camera through window behind the wall

05. Project the image – upside down.

To see the final effect get down to NG and check out Hannah and Aaron Beehre's Waters Above Waters Below. There were fireworks – literally – lighting up the night sky at the opening, but these beautiful crisp and clear Autumn days make for some spectacular viewing of this artwork.