A man, wearing a protective mask following an outbreak of the coronavirus disease (COVID-19), walks in Tokyo, Japan on March 17, 2020. (Photo by Edgard Garrido/Reuters)
A health worker dresses in a protective suit before starting to perform the coronavirus testing in an effort to stop the spread of the coronavirus disease (COVID-19) in the Kibera slum of Nairobi, Kenya, May 26, 2020. (Photo by Baz Ratner/Reuters)
Volunteers wearing personal protective equipment (PPE) carry the body of a victim of the Covid-19 coronavirus to a cemetery in Hlegu Township in Yangon on July 10, 2021. (Photo by Ye Aung Thu/AFP Photo)
Women wearing protective masks talk to each other on a street, amid the coronavirus disease (COVID-19) outbreak in Kuala Lumpur, Malaysia on December 17, 2020. (Photo by Lim Huey Teng/Reuters)
A bee approaching the flowers of a willow in Otzberg, Germany on February 28, 2021. Willow catkins are a protected species and one of the first sources of food for insects in early spring. (Photo by Arne Dedert/DPA)
A man wears a protective face mask on a street, amid the spread of the coronavirus disease (COVID-19), in Bangkok, Thailand, August 21, 2020. (Photo by Jorge Silva/Reuters)
This undated handout photo received from the Antarctic Ocean Alliance on October 28, 2016 shows a adelie penguin jumping onto the ice in the Ross Sea in Antarctica. The world's largest marine reserve aimed at protecting the pristine wilderness of Antarctica will be created after a “momentous” agreement was finally reached on October 28, 2016 with Russia dropping its long-held opposition. (Photo by John Weller/AFP Photo/Antarctic Ocean Alliance)
A women wearing a mask to protect from extreme smog visits the Tiananmen Gate in Beijing December 8, 2015 as China's capital issues its first ever "red alert" for pollution. (Photo by Damir Sagolj/Reuters)