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)

A woman returns home carrying vegetable on her back (foreground) while other farmer works on vegetable field (background) during the 43rd day of the lockdown imposed by the government as a preventive measure against the spread of COVID-19 coronavirus, in Kathmandu, Nepal on Tuesday, May 5, 2020. (Photo by Rojan Shrestha/NurPhoto via Getty Images)

Waitresses wearing protective masks, face-shields and gloves to prevent infections following the coronavirus disease (COVID-19) outbreak, gesture to customers toasting glasses at the cheerleader-themed restaurant “Cheers One” in Tokyo, Japan on May 11, 2020. (Photo by Kim Kyung-Hoon/Reuters)

A Palestinian boy dips in a natural spring to cool off during a heat wave, amid concerns about the spread of the coronavirus disease (COVID-19), near Jericho in the Israeli-occupied West Bank on May 17, 2020. (Photo by Mohamad Torokman/Reuters)

Greyhounds resume racing behind closed doors on June 01, 2020 in Perry Barr, England. Greyhound racing across England is returning as restrictions on sporting events are relaxed during the coronavirus pandemic. (Photo by Clive Mason/Getty Images)

A local resident fills in documents near a mobile ballot box outside her house during a seven-day vote on constitutional reforms, in the village of Troitskoye in Moscow region, Russia on June 25, 2020. (Photo by Evgenia Novozhenina/Reuters)

A model wearing a face shield poses with a Mitsubishi vehicle during the media day of the 41st Bangkok International Motor Show after the Thai government eased measures to prevent the spread of the coronavirus disease (COVID-19) in Bangkok, Thailand on July 14, 2020. (Photo by Jorge Silva/Reuters)

Revellers shield themselves as they celebrate in the rain near Stonehenge stone circle, despite official Summer Solstice celebrations being cancelled due to the spread of the coronavirus disease (COVID-19), near Amesbury, Britain, June 21, 2020. (Photo by Toby Melville/Reuters)