by Kelly MACNAMARA Agence France-Presse PARIS, France (AFP) – Scientists have discovered a vast reef of “pristine” rose-shaped corals apparently unharmed by climate change in deep water off the coast of Tahiti, UNESCO announced Thursday. Mapping approximately three kilometres (two miles) long and up to 65 metres (213 feet) wide, UNESCO said it was “one of the most extensive healthy coral reefs on record”. The UN heritage agency said it was “highly unusual” to find […]