소나무 불치병 대유행, 멸종 위기에 몰린 한국 소나무
슈카월드 · 30:37 · Watch on YouTube
South Korea is in a third nationwide wave of pine wilt, a near-total killer of infected pines: a North American nematode clogs the tree’s water system, native longhorn beetles carry it, and the host argues that missin...