河边的塑料瓶 — Plastic Bottles by the River (HSK 5 Chinese story)

志愿者周末打扫河边，几个小时就收集了几百个塑料瓶。大家开始批评来这里旅游的人。

Volunteers clean the riverbank on the weekend and collect hundreds of plastic bottles in only a few hours. People begin criticizing tourists who visit the area.