This is the sound of Panyu, the neighbourhood known as the "Shein village", a warren of factories that power the world's largest fast fashion retailer. "If there are 31 days in a month, I will work 31 ...

She accuses the company of "preying on the fears of outfit repetition syndrome", with Shein pieces in haul videos "likely to be discarded to landfill after just a few wears and washes".