IT IS NOT AN ESSENTIAL ISLAND, only an accidental one. When Pierre Huyghe found yet another occasion to intervene in a natural ecology, he conjured up an artwork that would not only be placed on an island; it would also in some senses be an island. Located at Kistefos Museum sculpture park, an hour’s drive from Oslo, Huyghe’s island differs from our habitual image of an autonomous landmass completely surrounded by water. It is a chaotic piece of woodland that juts out into a slow bend in the river and separates from the mainland only when the water is high; when the water is low, the land bridge