A performer from Cirque du Soleil's show “Quidam” practices backstage before a show at the MEO Arena in Lisbon December 18, 2014. (Photo by Rafael Marchante/Reuters)

Models seen backstage ahead of the Philosphy Di Lorenzo Serafini show during Milan Fashion Week Fall/Winter 2017/18 on February 25, 2017 in Milan, Italy. (Photo by Tristan Fewings/Getty Images)

Members of a samba school warm up before parading along Copacabana Beach in Rio de Janeiro, Brazil, Saturday, January 6, 2018. Musicians and members from Rio de Janeiro's top 13 samba schools have paraded in an event aimed at promoting tourism ahead of Rio's world famous Carnival that begins early next month. (Photo by Leo Correa/AP Photo)

Models pose backstage at the Boy and Girl by Band of Outsiders Spring 2012 fashion show during Mercedes-Benz Fashion Week on September 10, 2011 in New York City. (Photo by Chelsea Lauren/Getty Images)

Shaun Gibson prepares some of the 5.5 tonnes of fireworks at Edinburgh Castle ahead of the city's Hogmanay celebration on December 29, 2011 in Edinburgh, Scotland. Over 2,800 individual fireworks from six specialised firing panels will be launched during the display over Edinburgh Castle and gardens. (Photo by Jeff J Mitchell/Getty Images)

A worker adds gunpowder into paper cylinders to make fireworks at a factory in Bocaue town, Bulacan province, Philippines, December 26, 2015. (Photo by Romeo Ranoco/Reuters)

A man uses a scissors to make intricate decorative patterns on a camel's back before displaying it for sale at a makeshift cattle market ahead of the Eid al-Adha festival in Karachi, Pakistan, September 9, 2016. (Photo by Akhtar Soomro/Reuters)

In this September 10, 2016 picture, a girl takes pictures of a fellow contestant while warming up backstage before competing in the Romania Miss Pole Dance Contest, ahead of the finals of the Pole Sport&Fitness World Championship 2016 in Bucharest, Romania. (Photo by Vadim Ghirda/AP Photo)