https://blog.wongcw.com/2021/10/07/700%e5%b9%b4%e7%9a%84%e5%8d%97%e6%a5%b5%e7%85%99%e5%a1%b5%e6%8f%ad%e7%a4%ba%e4%ba%86%e4%ba%ba%e9%a1%9e%e6%b4%bb%e5%8b%95%e5%b0%8d%e7%92%b0%e5%a2%83%e7%9a%84%e5%bd%b1%e9%9f%bf/
700年的南極煙塵揭示了人類活動對環境的影響