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

A model (R) wearing a dress adorned with chocolate stands backstage prior to a fashion show during the annual “Salon du Chocolat” expo in Seoul, South Korea on January 10, 2020. (Photo by Ed Jones/AFP Photo)

A female pitch invader is caught by a steward during Day Two of the Fourth Test between South Africa and England at Wanderers on January 25, 2020 in Johannesburg, South Africa. (Photo by Stu Forster/Getty Images)

The full moon rises behind the cooling towers of the nuclear power station in Philippsburg, Germany, 06 May 2020. The nuclear power plant in Philippsburg was completely shut down by 31 December 2019. According to the operator EnBW, the two cooling towers are expected to be demolished by blasting on 14-15 May 2020. (Photo by Ronald Wittek/EPA/EFE)

Two Inuit children at Point Barrow, Alaska, holding the tusks of a large walrus, probably killed for food, circa 1930. (Photo by General Photographic Agency/Getty Images)

An alligator named Muja is seen in its enclosure in Belgrade's Zoo, Serbia, August 14, 2018. Muja is officially the oldest American alligator in the world living in captivity. He was brought to Belgrade from Germany in 1937, a year after the opening of the Zoo. Muja survived three bombings of Belgrade, the Second World War and all hardships the Zoo went through. (Photo by Marko Djurica/Reuters)

Siberian Husky dogs of the Royev Ruchey Park team pull a rig during a practice session for the Karadag Sled Dog Rally on the frozen Mana River, with the air temperature at about minus 21 degrees Celsius (minus 5.8 degrees Fahrenheit), in the Siberian Taiga area outside Krasnoyarsk, Russia February 6, 2018. (Photo by Ilya Naymushin/Reuters)

Workers clad in a dog and a wild boar costumes, to represent the outgoing year of the dog and incoming year of the wild boar, clean windows on the side of a hotel in Tokyo on December 13, 2018. (Photo by Kazuhiro Nogi/AFP Photo)