A Los Angeles County Fire helicopter flies over during the “Skirball Fire” which began early morning in Bel-Air, California, USA, 06 December 2017. An outbreak of several fires North of Los Angeles has occurred as one of the strongest Santa Ana winds forecast of the season is ongoing and expected to last several days. (Photo by John Cetrino/EPA/EFE)

A woman walks past murals adorning the walls of Garibaldi subway station, in Milan, Friday, February 28, 2020. Due to the COVID-19 virus outbreak in northern Italy, the bustling metropolis of Milan has resembled more of a ghost town lately, as workers stayed home and tourism has dwindled there, and other parts of Italy. (Photo by Luca Bruno/AP Photo)

A volunteer operates a remote controlled disinfection robot to disinfect a residental area amid the COVID-19 coronavirus outbreak in Wuhan in China's central Hubei province on March 16, 2020. China tightened quarantine measures for international arrivals on March 16 as the country worries about a rise in imported cases of the deadly coronavirus and anger rages online at how Europe and the United States are handling the pandemic. (Photo by AFP Photo/China Stringer Network)

A train attendant wearing a protective face mask stands on a train to Wuhan, at the railway station in Beijing, China, 29 March 2020. Wuhan, the epicenter of the coronavirus outbreak, partly lifted the lockdown allowing people to enter the city after more than two months. Chinese authorities eased the quarantine measures as cases of Covid-19 across China have plummeted, according to Chinese government figures. (Photo by Roman Pilipey/EPA/EFE)

An artwork called “Beyond Crisis” by French artist Guillaume Legros aka Saype and created with an eco paint made out of chalk and coal over a 3000 sqm field is pictured during the coronavirus disease (COVID-19) outbreak in Leysin, Switzerland, April 24, 2020 in this picture obtained by Reuters April 26, 2020. (Photo by Valentin Flauraud/SAYPE/Handout via Reuters)

The clown is on tour at Outlets on June 7, 2020 in Wuhan,Hubei Province,China.Wuhan has seen its urban life gradually get back to normal following encouragement from local city management to open up street-stalls. Since January, China has recorded more than 81,000 cases of COVID-19 and at least 3200 deaths, mostly in and around the city of Wuhan, in central Hubei province, where the outbreak first started. (Photo by Getty Images/Stringer)

Indonesian firefighters spray disinfectant at the public area near an elephant enclosure at Ragunan Zoo prior to its reopening this weekend after weeks of closure due to the large-scale restrictions imposed to help curb the new coronavirus outbreak, in Jakarta, Indonesia, Wednesday, June 17, 2020. As Indonesia's overall virus caseload continues to rise, the capital city has moved to restore normalcy by lifting some restrictions, saying that the spread of the virus in the city of 11 million has slowed after peaking in mid-April. (Photo by Dita Alangkara/AP Photo)

Russian servicewomen march during the Victory Day Parade in Red Square in Moscow, Russia, June 24, 2020. The military parade, marking the 75th anniversary of the victory over Nazi Germany in World War Two, was scheduled for May 9 but postponed due to the outbreak of the coronavirus disease (COVID-19). (Photo by Sergey Pyatakov/Host Photo Agency/AFP Photo)