Space slums, also known as zero-G habitats, consist of aggregates of old spaceships, containers and other space waste, sealed to make airtight. Outside plates are radiation-proof. Space slums are the most common form of habitat in Tiantang.
Some habitats in space slums are specifically manufactured as low-cost homes for people. These are known as G-Rooms, or 'grooms'.
Although the slums are cheap, they are endlessly customisable, and every space is as unique as its residents.