without coral reefs to protect them, the maldivian islands are in danger of being washed into the ocean. my first stop is fulhadhoo, an island only 6km long and just 250m wide. seeing this sandbag barrier on arrival, you start to understand the battle these islanders are facing. coral and coral reefs are what makes these islands but they are facing huge challenges, so the first person i'm going to meet is someone who's made it their life's passion to protect and nurture corals. thanks. this island has a population of a few hundred people. it's so thin, any erosion can have a dramatic effect on their lives. hello!