Chestnut crisis over in Ticino
Ticino's chestnut forests are doing well after the introduction of an insect that kills the gall wasps, which were attacking the trees. (SRF/swissinfo.ch)
Ticino's chestnut forests are doing well after the introduction of an insect that kills the gall wasps, which were attacking the trees. (SRF/swissinfo.ch)
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