A man wearing a mask looks on as he sells matresses in Manila, Philippines, January 8, 2020. (Photo by Willy Kurniawan/Reuters)

A woman holds piles of vegetables transported by motorcycle along a street in Phnom Penh, Cambodia on January 22, 2020. (Photo by Tang Chhin Sothy/AFP Photo)

(L-R) Alesha Dixon and Amanda Holden attend the Britain's Got Talent 2020 photocall at London Palladium on January 19, 2020 in London, England. (Photo by Doug Peters/EMPICS)

An aircraft crosses a bridge over a highway the airport in Frankfurt, Germany, Friday, September 20, 2019. Protests of the “Friday For Futurte” movement against the increase of carbon dioxide emissions are planned Friday in cities around the globe. In the United States more than 800 events were planned Friday, while in Germany more than 400 rallies are expected. (Photo by Michael Probst/AP Photo)

Kashmiri woman takes part in a physical test of a recruitment rally for the Special Police Officers (SPO) in Jammu and Kashmir Police, in Srinagar on December 6, 2019. As many as 23,000 people have applied for posts in the Special Police Officers (SPO) in Jammu and Kashmir Police and 100 positions will filled in the current phase of recruitment, local authorities said. (Photo by Tauseef Mustafa/AFP Photo)

A dog wearing a mask is seen on a street following an outbreak of the novel coronavirus disease (COVID-19), in Shanghai, China on March 22, 2020. (Photo by Aly Song/Reuters)

A U.S. Army B-24 Liberator Bomber is hailed by a ground crewman as it takes off over a line of shark- nosed fighter planes at an advanced base in China on a mission on October 10, 1943, to bomb Japanese installations. (Photo by AP Photo)

Vladimir Putin looks at a model of the Tupolev TU-160 bomber, or Blackjack, that was presented to him on his arrival in Olenegorsk, Russia, August 16, 2005. Putin flew in the Tupolev TU-160 bomber and took part in the launch of cruise missiles in the Arctic north. (Photo by Reuters/ITAR-TASS/Presidential Press Service)