Climate change has hit hard here. Rice has dropped from three harvests a year to just one during the rainy season when there's enough fresh water to flush out the sea. So the rest of the year, the family have come up with an ingenious idea with what to do with those salty flooded fields.Fewer rice crops might sound counterintuitive, but putting both rice and prawns in together means that Hong can still use her fields all year round rather than just the rainy season. And even better, the waste from the prawn ...