Fungus threatens thousands of trees along famed French canal

21 December 2012 Last updated at 10:33 ET Help

The picturesque Canal du Midi in southern France is a recognised UNESCO World Heritage site.

But the 42,000 plane trees which run along its sides may have to be chopped down due to the spread of the infectious Ceratocystis platani fungus.

Thomas Hannen reports.

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