谣言的核心问题 @剁椒鹿 已经讲得很清楚了，我再进一步梳理一下大致的谣言脉络和相关的信息。 目前我能找到最早的550亿吨这个数字的起源是2019年的这篇论文[1] ：Tiny particles building huge ore deposits ...

Peering down on Stanley Street from the Central–Mid-Levels Escalator, one can see rows of patio umbrellas, under which there are several “dai pai dongs” (open-air eateries). Among them is Sing Kee, a ...