https://blog.wongcw.com/2020/06/29/nasa%e6%92%92%e5%93%88%e6%8b%89%e6%b2%99%e6%bc%a0%e6%96%b0%e5%9c%96%e5%83%8f%e6%8f%ad%e7%a4%ba%e6%b2%99%e5%a1%b5%e8%a6%86%e8%93%8b%e8%a6%8f%e6%a8%a1%e4%b9%8b%e5%a4%a7/
NASA撒哈拉沙漠新圖像揭示沙塵覆蓋規模之大