People walk next to the closed Huanan Seafood Wholesale Market, where the Covid-19 coronavirus was first detected, in Wuhan in China's central Hubei province, on January 22, 2023. Residents in Wuhan are marking three years since a once-mysterious virus plunged them into a terrifying lockdown, with their city becoming the epicentre of the Covid-19 epidemic that became global. (Photo by Hector Retamal/AFP Photo)
