at the pier in krabi town, kriangkrai klongrua offers tours of the mangrove forests. that's how he earns most of his income. >> when we take tourists they mangrove forests, no mangroves, no animals, tourists want to see lizards and mud crabs. all of them live in the mangroves. sometimes we also see snakes. that impresses the tourists and they ask to see them. >> back at the imam's pond, the day's catch -- eleven large crabs. >> i'm very satisfied. since we converted the pond, it's become a good source of food. we catch crabs and fish as well. >> at home, his family is already waiting eagerly for the tasty treats. enright has been invited to dinner this evening. >> my aim to work maybe not only the nature, not only people having tree but also make people to see the benefits. so partly of my success, make me feel good, that means good nature, restore it back and people happy. so when i see this, this is part of my success. >> she hopes that when word gets around, many other islanders will give her project a chance. host: and next week we're off on a very special journey