Good morning, Quartz readers! Just a heads up, you won’t be receiving a Daily Brief on Monday, as our US-based team takes the day off to celebrate Indigenous Peoples’ Day. We’ll see you back in your inbox on Tuesday. Here’s what you need to know China announced big space station plans. Tiangong is going from three modules to six, which extends its operating lifespan, just as the NASA-led International Space Station cruises toward retirement. Advertisement A Belgian probe is investigating Alibaba. It all centers around a logistics hub in Liège, which Belgian security services suspect of carrying out “espionage and/or…