A girl wearing a mask takes part in a procession celebrating the religious holiday of Mawlid al-Nabi, the birthday of Prophet Mohammad, in Benghazi, Libya December 10, 2016. (Photo by Esam Omran Al-Fetori/Reuters)

People wearing loin cloths pray after they bathe in ice-cold water outside the Teppozu Inari shrine in Tokyo, Japan, January 8, 2017. (Photo by Toru Hanai/Reuters)

People wearing costumes attend the annual water-splashing festival to mark the New Year of the Dai minority in Jinghong, Yunnan province, April 13, 2015. (Photo by Reuters/China Daily)

A dog wears “The Flash” costume for a carnival pet parade in Rio de Janeiro, Brazil, Sunday, January 31, 2016. People dressed their pets up for the annual block parade held near Copacabana beach. (Photo by Leo Correa/AP Photo)

Attendees engage in cosplay and wearing costumes during WonderCon 2016 Day 2 at Los Angeles Convention Center on March 25, 2016 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images)

Model Lea Vlamos wears a creation for the Jean Paul Gaultier Haute Couture Spring-Summer 2018 fashion collection presented in Paris, Wednesday, January 24, 2018. (Photo by Francois Mori/AP Photo)

Female labourers wearing helmets take a break from laying underground electricity cables in Ahmedabad, India, March 7, 2016. (Photo by Amit Dave/Reuters)

A 3D printing professional wears his T-Rex skull creation during a 3D printing show in Brussels, Belgium, October 18, 2015. (Photo by Eric Vidal/Reuters)