The secretive indri (Indri indri) of Madagascar, the largest living lemur. It is also critically endangered and highly evolutionarily distinct with no close relatives, which makes its branch one of most precarious on the mammal evolutionary tree. In the likely event that the indri goes extinct, we will lose 19m years of unique evolutionary history from the mammal tree of life. (Photo by Pierre-Yves Babelon/Aarhus University)

Rita Ora attends the Rita Ora “Phoenix” Album Launch Party At Annabel's on November 19, 2018 in London, England. (Photo by David M. BenettGetty Images)

A sandstorm hits the city of Zhangye in Gansu province, China on November 27, 2018. (Photo by Reuters/China Stringer Network)

John McEnroe kicks back a television camera that he felt was crowding him on the court during the finals of the U.S. Pro Indoor Tennis Championships in Philadelphia January 27, 1985. McEnroe defeated Czech Miroslav Mecir to win the tournament. (Photo by Amy Sancetta/AP Photo)

In a photo taken on April 2, 2020 a staff member feeds a raccoon at the Table A Raccoon Cafe in Seoul. Business has been devastated by the coronavirus outbreak, with South Koreans staying at home under social distancing guidelines, and tourism disappearing. But unlike other firms, animal cafes have to stay open so that staff can look after their stock. (Photo by Ed Jones/AFP Photo)

A fruit bat eats lettuce as it hangs from a rope during a behind the scenes interactive live stream from the Oakland Zoo on April 16, 2020 in Oakland, California. Since the Oakland Zoo has been closed to the public during the shelter in place, they are offering a subscription based service that will feature five weekly behind the scenes live streamed interactive programs that will feature animal keepers and their animals. Viewers are able to interact with the keepers by submitting questions to about the animals. (Photo by Justin Sullivan/Getty Images)

Wearing a protective mask to curb the spread of the new coronavirus a man attends a memorial for those who have died from COVID-19 worldwide, at Rio's Christ the Redeemer statue in Rio de Janeiro, Brazil, Wednesday, July 1, 2020. (Photo by Leo Correa/AP Photo)

A woman drinks at a bars area in Clapham, after the reopening of commercial activities following the outbreak of the coronavirus disease (COVID-19), in London, Britain, July 4, 2020. (Photo by Hannah McKay/Reuters)