A man enters the National Library of Australia in Canberra, Australia, June 9, 2020. The National Library and National Portrait Gallery of Australia reopened to the public as Australia relaxes its measures over the COVID-19 pandemic. (Photo by Liu Changchang/Xinhua)

People visit the National Portrait Gallery of Australia in Canberra, Australia, June 9, 2020. The National Library and National Portrait Gallery of Australia reopened to the public as Australia relaxes its measures over the COVID-19 pandemic. (Photo by Liu Changchang/Xinhua)

A bottle of hand sanitizer is provided to the people entering the National Portrait Gallery of Australia in Canberra, Australia, June 9, 2020. The National Library and National Portrait Gallery of Australia reopened to the public as Australia relaxes its measures over the COVID-19 pandemic. (Photo by Liu Changchang/Xinhua)