[OC] 動畫顯示中國沿海成千上萬的船隻幾乎在一夜之間關閉了AIS轉發器

[OC] 動畫顯示中國沿海成千上萬的船隻幾乎在一夜之間關閉了AIS轉發器

[OC] Animation showing how thousands of boats of China's coast shut off their AIS transponder almost overnight
from /r/dataisbeautiful