In one video, a man sarcastically sings a patriotic song. In another, protesters hold up blank pieces of paper and chant in unison. In a third clip, mourners light candles around a vigil to those who died in a fire while in lockdown in western China.

Signs of organised dissent are relatively rare in China; so is their survival in the country’s digital space. China’s censorship apparatus – the most sophisticated of its kind in the world – has hunted down and deleted countless social media posts showing the eruption of protests and anger at the government.