Far to the west of Tahiti, on the edge of the open Pacific, lie the islands of Fiji. The people who first came here more than 3000 years ago discovered ancient tropical forests. The azure-blue lagoons of Fiji's 400 islands harboured spectacular underwater coral gardens nurtured by rich water rising six miles from the ocean depths. But who were the first Fijians and why did they come to these untamed islands? In the shifting sands of Fiji's largest island lie clues to the origins of the Polynesians.