Before arriving in our first French Polynesian port, we were told that each island would be prettier than the previous. I, being a skeptic, thought they were just doing some salesman's puffing. Actually - they truly are, and in different ways. The first, Nuku Hiva, was formed by volcanic eruptions as are most of these islands. Gorgeous, mountainous, covered with dense, really green vegetation, turquoise seas and equally beautiful blue skies dotted with puffy white cumulus