Tunisia's lagoon farmers cling on as sea level rises

A general view shows Ghar El Melh's 'Al-Qataya', where farmers say a unique and traditional agricultural system is at risk of extinction due to climate change, in Ghar El Melh, Tunisia November 3, 2021. Picture taken November 3, 2021. Picture taken with a drone. REUTERS/Jihed Abidellaoui

GHAR EL MELH, Tunisia (Reuters) - Dotted among wetlands on Tunisia's coast, a patchwork of tiny man-made islands stretches out towards the Mediterranean.

Ploughed in neat furrows and shored up by sandbanks inside a lagoon, they are home to a centuries-old system of agriculture that climate change threatens to wipe out.