However , we 've seen this approach yield interesting results elsewhere , when species of plants , which were thought to have disappeared , return and thrive .
However , in Europe , where there are few truly wild forests left , this hands - off approach is unusual .
We 've seen this approach yield interesting results elsewhere , when species of plants , which were thought to have disappeared , return and thrive .
However , in Europe , where there are few truly wild forests left , this hands - off approach is unusual .