Security forces wear gas masks at the Kosovo Assembly, after a disruption in a parliamentary session in Kosovo's capital, Pristina, on February 26, 2016. Kosovo opposition members released tear gas inside the chamber as lawmakers were preparing to vote on whether to elect Hashim Thaci, foreign minister and a former guerrilla leader, as the next president. #

A reveler poses for a picture as he takes part in the Zambo carnival held in the northern Lebanese city of Tripoli on March 13, 2016, to mark the last period of excess on the eve of the Christian Greek Orthodox Lent. #

North Korean defectors wearing masks of North Korean leader Kim Jong Un attend a rally against North Korea's rocket launch and nuclear test in Seoul, South Korea, on February 12, 2016. #

Ashton Eaton of the U.S. rests with a cooling face mask as he competes in the pole vault event of the men's decathlon during the 15th IAAF World Championships at the National Stadium in Beijing, China, on August 29, 2015. #

A trained macaque monkey stands as its trainer demonstrates how the monkey can put on a mask during a rehearsal on February 4, 2016, in Baowan village, Henan province, China. #

Activists of global anti-poverty charity Oxfam wearing masks depicting some of the world leaders U.S. President Barack Obama, Chinese President Xi Jinping, and French President Francois Hollande stage a protest outside the venue of the World Climate Change Conference 2015 in Le Bourget, near Paris, France, on December 10, 2015. #

Darth Mykolaiovych Vader dries his mask and helmet with a hairdryer in the bathroom of his apartments in Odessa, Ukraine, on December 2, 2015. Darth Vader was bent on galactic domination, but his Ukrainian namesake enjoys more mundane pursuits: local politics, walking the family dog, and a spot of embroidery. The Ukrainian citizen, who has changed his name to Darth Mykolaiovych Vader, ran for the post of local mayor in October, his political backers dressed as Stormtroopers. In his trademark black outfit, he is a regular sight around Odessa, a major port city on southern Ukraine's Black Sea coast. #

Attendees listen to U.S. Republican presidential candidate Donald Trump while he speaks during a town hall event at the La Crosse Center in La Crosse, Wisconsin, on April 4, 2016. #

A female journalist wears virtual reality headgear as she poses for photographers outside the Great Hall of the People where opening session of the Chinese People's Political Consultative Conference was held in Beijing on March 3, 2016. #

A boy tugs on a water basin with his friend wearing a mask as he wades through deep flooding caused by typhoon Linfa, locally named Egay, at Longos town in Malabon City, north of Manila, on July 6, 2015. #

Members of Japanese idol group Kamen Joshi (Masked Girls) pose for a photo after a rehearsal for a concert at their theatre in Tokyo's Akihabara district, Japan, on March 17, 2016. For countless girl and pop-idol bands in Japan, standing out from the crowd can be daunting, but one group—‘Kamen Joshi’—seems to have found the answer by hiding behind masks. #

A man wearing a traditional carnival mask dances during Shrovetide celebrations, in the Rumsiskes village, some 89 kilometers (56 miles) north of Vilnius, Lithuania, on February 6, 2016. #

A Star Wars Stormtrooper gives a thumbs up as he leaves the news briefing room at the White House in Washington, D.C., on December 18, 2015. The Star Wars character was at the White House as part of a private screening of Star Wars: The Force Awakens was shown to first lady Michelle Obama and Gold Star Families. #

A suspect is escorted by policemen during a crime reconstruction in the east coast district of Sai Kung in Hong Kong on June 16, 2015, a day after suspected explosives were seized at an abandoned television studio. #

Models wear gas masks to demonstrate against the use of fur in clothing at a protest organised by PETA, ahead of Milan's Fashion Week in downtown Milan, Italy, on February 23, 2016. #

A man wears a monkey mask as a disguise as he receives a check for over 110 million yuan ($17 million) after winning a lottery jackpot in Kunming, Yunnan province, China, on December 23, 2015. #