When China's historic protests against COVID curbs erupted in late November, a 30-year-old Chinese man in a flat in northern Italy became one of the most important conduits of information on the unfolding drama via a lone Twitter account.
"Teacher Li is Not Your Teacher", his Twitter handle, became an Internet sensation as he reposted details and footage of protests from citizens across China - skirting censors on the rapidly unfolding demonstrations - in the most forceful show of dissent since the 1989 Tiananmen Square protests.
