Cities across China have rolled back some Covid-19 restrictions, requiring less testing and allowing people to isolate at home instead of in quarantine centres. The authorities have been careful not to send any signal that the relaxing of rules were in any way a response to rare displays of public discontent. For more, we speak to Nathan Law, a Hong Kong pro-democracy activist who was a prominent student leader during the 2014 Umbrella Movement and now lives in exile in London.