This aerial view shows the P4 laboratory (L) on the campus of the Wuhan Institute of Virology in Wuhan in China's central Hubei province on May 27, 2020. - Opened in 2018, the P4 lab conducts research on the world's most dangerous diseases and has been accused by some top US officials of being the source of the COVID-19 coronavirus pandemic. China's foreign minister on May 24 said the country was "open" to international cooperation to identify the source of the disease, but any investigation must be led by the World Health Organization and "free of political interference". (Photo by Hector RETAMAL / AFP) (Photo by HECTOR RETAMAL/AFP via Getty Images)