From the remote shores of Rapa Nui to the dense rainforest of Papua New Guinea, the islands of the Pacific are home to some of the most culturally diverse populations on the planet. The region embraces an extraordinary range of art forms, from delicate shell ornaments to spectacularly decorated canoes and meeting houses. These have fascinated outsiders since the exploratory voyages of Captain Cook, the first of which commenced 250 years ago in 1768,...