Medical workers walk by a police robot at the Wuhan Tianhe International Airport after travel restrictions to leave Wuhan, the capital of Hubei province and China's epicentre of the novel coronavirus disease (COVID-19) outbreak, were lifted, April 8, 2020. (Photo by Aly Song/Reuters)

People stand in queue keeping social distance beside a Covid-19 awareness scarecrows placed by Chennai municipality at a market during a government-imposed nationwide lockdown as a preventive measure against the COVID-19 coronavirus, in Chennai on April 11, 2020. (Photo by Arun Sankar/AFP Photo)

A resident of the Goodwin House senior living community, looks on as the DC area motown band “The Tribe” plays a social distance concert in their parking lot in Arlington, Virginia, during the coronavirus pandemic on April 14, 2020. (Photo by Andrew Caballero-Reynolds/AFP Photo)

A Palestinian man waves from his home as a clown and a man in a costume perform to entertain people amid concerns about the spread of the coronavirus disease (COVID-19), in Khan Younis in the southern Gaza Strip on April 19, 2020. (Photo by Ibraheem Abu Mustafa/Reuters)

Medical personnel jump in the COVID-19 unit at the CHR Centre Hospitalier Regional de la Citadelle Hospital, during the coronavirus disease (COVID-19) outbreak, in Liege, Belgium, April 22, 2020. (Photo by Yves Herman/Reuters)

Fox cubs venture out from their den under a popular boardwalk alongside Lake Ontario during the global outbreak of the coronavirus disease (COVID-19), in Toronto, Ontario, Canada on April 22, 2020. (Photo by Carlos Osorio/Reuters)

Bianca Toniolo picks a daisy as the family take a walk through the woods 200 metres from their home in San Fiorano, March 19, 2020. This was the last time the family went to the woods as restrictions got stricter throughout the country to try and contain the spread of coronavirus. (Photo by Marzio Toniolo/Reuters)

A surfer rides a wave as bioluminescent plankton lights up the surf around him during the coronavirus outbreak, Thursday, April 30, 2020, in Newport Beach, Calif. California Gov. Gavin Newsom on Thursday temporarily closed Orange County's coastline after large crowds were seen there. (Photo by Mark J. Terrill/AP Photo)