Nouvelle-Zélande, la forêt des géants: New Zealand is home to ancient forests. The old trees that inhabit them have kept these forests alive for thousands of years. Majestic and powerful, these giants now face threats that weaken them. Invasive species, parasitic diseases, and fragmentation weigh on the future of these unique trees. Scientists and forest guardians take turns in the field to protect this remarkable and fragile forest, ready to be reborn.