After a fire in a Beijing apartment building catering to migrant workers killed at least 19 people on November 18, the city government launched a 40-day campaign to demolish the capital’s “unsafe” buildings. Many Beijing residents view the campaign as a thinly veiled excuse to force out migrant workers. Since mid-November, police and security officials have evicted tens of thousands of migrants from their apartments, and pictures of the newly homeless from all across China sitting outside in the Beijing winter have spread widely on social media. Why did the city government take this step? And what does this mean for the rights of China’s so-called “low-end population”? —The Editors