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Japan is gripped by mass allergies. A 1950s project is to blame
A decision made 70 years ago to reforest vast swathes of Japan with just two kinds of tree has come back to haunt the country.
www.bbc.com ↗ www.bbc.com ↗ A decision made 70 years ago to reforest vast swathes of Japan with just two kinds of tree has come back to haunt the country.
www.bbc.com ↗