The piece, "Destinations", shows a day's worth of simulated passenger movements across an airport check-in concourse, rendered in a slightly smoky way (at least that was the intention). The actual piece was approximately 90cm long.
Whilst browsing the exhibition, I had a real shivers-down-the-spine moment, when I came across some sketches by David Nash of his sculpture, Ash Dome.
The sketches were eerily reminiscent of a VRML project I completed late last year called Whipping Trees:
It turns out Nash was over 20 years earlier than I was, and his work actually exists in full-size real-life (lick-it-it-tastes-like-a-snozzberry) physical form too (Annely Juda Fine Art has images, but don't allow deep links, tsk). I have resolved to visit it at some point soon, and to send him an image of my project.