A young visitor interacts with a baby hippopotamus swimming in its enclosure at the Berlin Zoo on January 1, 2018. Tourists and locals flocked to the zoo in the German capital on the unseasonably warm first day of the year. (Photo by Odd Andersen/AFP Photo)

In this Tuesday, March 20, 2018 photo, a Vampire Bat drinks bovine blood in the Criaturas de la Noche (Creatures of the Night) Bat House, the Audubon Zoo's new night house in New Orleans. The various species are all from Central and South America, and the building's interior simulates an abandoned warehouse set up to protect Mayan artifacts during a dig. (Photo by Gerald Herbert/AP Photo)

An air plane takes off from the airport as air traffic is effected by the spread of the coronavirus disease (COVID-19) in Frankfurt, Germany, March 16, 2020. (Photo by Kai Pfaffenbach/Reuters)

Guests watch “Trolls World Tour”, in the rain at the Four Brothers Drive In Theatre amid the coronavirus pandemic, Friday, May 15, 2020, in Amenia, N.Y. (Photo by John Minchillo/AP Photo)

Admirers of Peruvian clown William Rojas, known professionally as “Chupetin”, carry his coffin during his funeral procession to the Eternal Hope cemetery in Huancayo, Peru, on July 2, 2020. Rojas, 45, died from COVID-19 after five days of being in intensive care. Peru surpassed 10,000 deaths from the coronavirus on Thursday, the health ministry said, a day after the government began easing a national lockdown in a bid to revive the economy. (Photo by Pedro Tinoco/AFP Photo)

Guests are seen at the end of the Etro Spring/Summer 2021 Men's collection and Women's pre-collection livestreamed show at the Four Seasons hotel, amid the coronavirus outbreak, during Milan Digital Fashion Week in Milan, Italy, July 15, 2020. (Photo by Alessandro Garofalo/Reuters)

Five-year-old sniffing dog “Vine” wears protection goggles against the sun and dust as he poses together with Giulia Gausemann for photographers, at the sniffing dogs school of the German Army (Bundeswehr) in Daun, Germany, July 24, 2020. The Bundeswehr sniffing dogs school and the veterinarian university of Hanover are developing a training programme to sniff out the coronavirus disease (COVID-19) with dogs at airports, border crossings and other highly frequented places. (Photo by Wolfgang Rattay/Reuters)

Israeli police officers are about to push away a demonstrator during a protest against Israel's Prime Minister Benjamin Netanyahu outside his residence in Jerusalem, Israel, early Sunday, August 9, 2020. (Photo by Ariel Schalit/AP Photo)