The BBC has heard allegations about working conditions at Shein. Some workers have claimed that they are working for more than 75 hours a week, which would contravene Chinese labour laws. We explore Shein’s business model.Also in the programme: South Korea’s spy agency gives new figures of North Korean soldier casualties in Ukraine; and the European island that celebrates New Year’s Day in mid-January.(Photo: A shopper carries a bag while visiting Shein's Christmas bus tour, in Manchester, Britain, December 2024. Credit: REUTERS/Temilade Adelaja)