The authorities in China capital city Beijing have issued a second red alert for pollution less than 2 weeks after the first ever such warning.

距首个红色预不两周，北京再发重污染红色预。

Many small plastics are pushed by currents and hitchhike their way towards the ocean floor with other waste, from poop, to animal parts, to other pollutants.

许多小塑料被水流推，与其他废，从粪便器官，再其他污染，一起搭便车达海底。