The monumental statues of Easter Island, so magisterial and so forlorn, gazing out in their imposing rows over the island's barren landscape, have been the source of great mystery ever since first discovered by Europeans on Easter Sunday 1722. How could the ancient people who inhabited this tiny speck of land, the most remote in the vast expanse of the Pacific islands, have built such monumental works? No such astonishing numbers of massive statues...