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Farmers across southeast Asia have been forced to change centuries-old traditions, as changing weather patterns damage once-fertile lands in the region.

For years, Vietnam's Mekong Delta was the country's rice bowl but rising sea levels are now pushing salt waters ever further inland.

Many farmers have already given up rice-farming and started cultivating prawns, which for those in southern Vietnam, is proving to be a financially beneficial move.

Al Jazeera's Tony Birtley reports from the Cai Nuoc district in south Vietnam.

Source: Al Jazeera