In Antartica, The Wright and half a dozen other valleys in the Central Transantarctic Mountains are collectively referred to as the dry valleys. It has not rained here in two million years. No animal abides, no plant grows. A persistent, sometimes ferocious wind has stripped the country to stone and gravel, to streamers of sand. The huge valleys stand stark as empty fjords. You look in vain for any conventional sign of human history- the vestige of a protective wall, a bit of charcoal, a discarded arrowhead. Nothing. There is no history, until you bore into the layers of rock or until the balls of your fingertips run the rim of a partially exposed fossil. At the height of the austral summer, in December, you smell nothing but the sunbeaten stone. In a silence dense as water, your eye picks up no movement but the sloughing of sand, seeking its angle of repose. On the flight in from New Zealand it had occurred to me, from what I had read and heard, that Antarctica retained Earth's primitive link, however tenuous, with space, with the void that stretched out to Jupiter and Uranus. At the seabird rookeries of the Canadian Arctic or on the grasslands of the Serengeti, you can feel the vitality of the original creation; in the dry valleys you sense sharply what came before. The Archeozoic is like fresh spoor here.