jayda, welcome to nema ba. - thank you. - here is the village of the women.t's always like this singing, so welcome. (singing) and we have to dance. (laughing) - woo! (laughing) (singing) (jayda, in english): more than 3 billion people rely on food from the sea, much of which is nurtured in mangroves and seagrasses. - it's the women who replanted. - this is the replanting. - yes, all of this, you know. - wow! (singing, clapping) (jayda): oysters grow on mangrove roots, and in the past, people would cut the roots to harvest the oysters, and that damaged the trees. but these women have developed a sustainable way of farming. - this system helps them to protect, you know, really the mangrove. - mm-hmm. - because nobody will come to, you know, to, to cut the mangrove. (laughing) (in english): and then, they can just cut it off and take it. (indistinct chatter) so they're putting these up, and they tie the, the old oysters on, and then as the tide goes up, then the oysters cling on to the old ones, and then they can pull them up like that? i see. - intelligent sys