His comments came after a private viewing of the finalists, which include a pornographic film retold in pink letters, a coloured Perspex ceiling, and
a giant black block, entitled The Thinker.
The grid of doctored Ansel Adams
black - and - white photos show, among other things, a
giant cruise ship ploughing through a lake in Yosemite National Park, a high - rise apartment
block obscuring the view of a waterfall and a sinister - looking clown flipping off the viewer from behind an evergreen tree.