New program of Munich's Krone Circus performed by two American artists “The Carmenas” during a press conference in Munich, Germany on January 10, 1962, while sitting in a coffee-house. (Photo by Heinrich Sanden Sr./AP Photo)

Two brown bears bathe in their enclosure at the Wildpark Poing in Poing, Germany, Wednesday, August 8, 2018. (Photo by Lino Mirgeler/Deutsche Presse-Agentur via AP Photo)

A contestant for Miss Tiffany's Universe Thailand 2018 gets ready backstage during the annual transgender beauty contest “Miss Tiffany's Universe Thailand 2018” at the Tiffany's Show Theatre in Pattaya city, Chonburi province, Thailand, 31 August 2018. Thirty Thai transgender contestants took part in the final stage of the annual beauty contest which is aimed to promote the tourism industry in the resort city of Pattaya city. (Photo by Narong Sangnak/EPA/EFE)

Reveller in costume with a broom jumps during a Zombie Walk event in central Kiev, Ukraine on October 27, 2018, ahead of Halloween celebrations on October 31. (Photo by Anatolii Stepanov/AFP Photo)

Cambridge policemen, known as “Bulldogs”, lined up for the University Bulldogs Chase, dressed in morning coats and top hats, 7th March 1936. (Photo by H. Allen/Topical Press Agency/Getty Images)

A participant tries to stay warm during the Macy's Thanksgiving Day Parade in Manhattan,New York, U.S., November 22, 2018. (Photo by Brendan McDermid/Reuters)

The US' winner Mikaela Shiffrin celebrates during a flowers ceremony after the women's Super G event of the 2019 FIS Alpine Ski World Championships at the National Arena in Are, Sweden, on February 5, 2019. (Photo by Denis Balibouse/Reuters)

A model has her hair done backstage before the Taoray Wang fashion show during New York Fashion Week in New York, New York, 09 February 2019. New York Fashion Week for designer's autumn and winter lines is being held from 06 to 13 February 2019. (Photo by Peter Foley/EPA/EFE)