A dancer attends the final rehearsal for the new “VIVID Grand Show” at Friedrichstadt-Palast in Berlin, Germany, September 26, 2018. (Photo by Hannibal Hanschke/Reuters)

Dancers resting on the rooftop of the SKD Theatre Asakusa, Tokyo, 1949. (Photo by Tanuma Takeyoshi/The Guardian)

A dancer poses for a photograph as part of the “Dance as Art” photo project in Times Square in New York, on September 22, 2014. (Photo by Carlo Allegri/Reuters)

Dancers of the English National Ballet perform “Strictly Gershwin” at the Coliseum on January 10, 2012 in London, England. (Photo by Ian Gavan/Getty Images)

Dancers rehearse for the Rockettes 2015 Radio City Christmas Spectacular in New York October 15, 2015. (Photo by Lucas Jackson/Reuters)

Dancers perform the traditional “Diablada” or Dance of the Devils during the Carnival in Oruro, Bolivia, Saturday, February 10, 2018. Thousands of colorfully dressed dancers and musicians kick off Carnival celebrations in the Bolivian city of Oruro. (Photo by Juan Karita/AP Photo)

American singer-songwriter, producer and former dancer Anastacia and teacher dancer Maykel Fonts perform during the “Dancing with the Stars” TV show in Rome, Italy on March 24, 2018. (Photo by PA Press Association)

Dancers of the Moulin Rouge cabaret adjust their boots prior to a show on April 22, 2014 in Paris. Since 1945, the “Maison Clairvoy” is specialised in the creation of luxury shoes and started in 1960 a collaboration with the famous Moulin Rouge to create boots and shoes for French Cancan dancers. (Photo by Franck Fife/AFP Photo)