praslin that describes itself as eco-friendly, rare hawksbill and green turtles breed on the unspoiled beach. but right nearby is an 18-hole golf course. environmentalists protested when it was laid out, but to no avail. commercial interests can collide with concern for nature. the vallee de mai nature reserve nearby is not under threat. it is a unesco world heritage site. it is a large and well-preserved palm forest, with endemic species such as the coco de mer. its fruits are huge. they can weigh up to 25 kilograms and contain the largest seeds of any plant in the world. lindsay: i get very proud when i think of the coco de mer. it's the thing that really epitomizes the seychelles. there is an added responsibility. it doesn't belong to us, is -- it belongs to the rest of the world. and only because it has been found here, you are the guardian for the rest of the world. so you have to make sure it doesn't get distinct. -- doesn't become extinct. reporter: this sense of guardianship and respect of nature are widespread among the people of the seychelles. it was the first state to enshrine na