Mask

Democratic presidential nominee Hillary Clinton holds a masquerade mask as she jokes with members of her staff aboard her camapign plane on October 31, 2016 in Erlanger, Kentucky. The presidential general election is November 8.  (Photo by Justin Sullivan/Getty Images)

Justin Sullivan/Getty Images

Democratic presidential nominee Hillary Clinton holds a masquerade mask as she jokes with members of her staff aboard her campaign plane in Erlanger, Kentucky. Photo Justin Sullivan/Getty Images

gAn attendee gives the thumbs up while wearing a Donald Trump mask during a campaign event for Donald Trump, 2016 Republican presidential nominee, in Cincinnati, Ohio, U.S., on Thursday, Oct. 13, 2016. Trump rebuffed political aides' requests to research his past, people familiar with the matter said, a decision that contributed to his campaign being caught unprepared for the past week's barrage of claims he mistreated women. Photographer: Luke Sharrett/Bloomberg

Luke Sharrett/Bloomberg

An attendee gives the thumbs up while wearing a Donald Trump mask during a campaign event for Donald Trump, 2016 Republican presidential nominee. Photo Luke Sharrett/Bloomberg 

technician holds a recently 3D printed replica of Darth Vader's melted helmet from "Star Wars: The Force Awakens", in the Propshop headquarters at Pinewood Studios near London, Britain May 25, 2016.  REUTERS/Peter Nicholls

Peter Nicholls/Reuters

A technician holds a recently printed 3D replica of Darth Vader’s melted helmet from “Star Wars: The Force Awakens”, in the Propshop headquarters at Pinewood Studios near London

A Christie's employee holds 'The Mendes-France Baule Mask' from Ivory Coast at Christies's auction rooms in London, Monday, April 11, 2016. The mask is estimated to realise 500,000-800,000 US dollars (355,537-568,858 UK pounds) when it is auctioned in New York in the Post War and Contemporary Afternoon sale on May 11. (AP Photo/Kirsty Wigglesworth)

Kirsty Wigglesworth/AP

A Christie’s employee holds ‘The Mendes-France Baule Mask’ from Ivory Coast at Christies’s auction rooms in London. It will be auctioned in New York at the ‘Evolution of Form: African & Oceanic Art at the Genesis of Modernism’ on May 12 

BAFTA preparations...Fettler Piotr Lichon sands a bronze statue to  create a BAFTA mask at New Pro Foundries in West Drayton, Middlesex, ahead the ceremony later this month. PRESS ASSOCIATION Photo. Picture date: Thursday February 4, 2016. Designed by US sculptor Mitzi Cunliffe in 1955, New Pro Foundries has been making the bronze casts since the ceremony was created in 1976. Photo credit should read: Steve Parsons/PA Wire

Steve Parsons/PA

A bronze statue is sanded to create a BAFTA mask at New Pro Foundries in West Drayton, Middlesex, ahead the ceremony later this month. New Pro Foundries has been making the bronze casts since the ceremony was created in 1976

A Chinese woman wearing mask walks in a shopping street during a hazy day in Beijing city, China, on Tuesday.  Beijing issued a red alert for smog, urging schools to close and residents to stay indoors for the second time in 10 days. Restrictions

Wu Hong/EPA

A Chinese woman wearing a mask walks in a shopping street during a hazy day in Beijing city, China, on Tuesday. Beijing issued a red alert for smog, urging schools to close and residents to stay indoors for the second time in 10 days

A woman wears a mask as she visits the Forbidden City during a sunny day in Beijing Friday, Dec. 18, 2015. Residents in the Chinese capital are preparing for its second smog red alert as a wave of smog is forecasted to settle over the city from Saturday to Tuesday.

Ng Han Guan/AP

A woman wears a mask as she visits the Forbidden City during a sunny day in Beijing Friday. Residents in the Chinese capital are preparing for its second smog red alert as a wave of smog is forecasted to settle over the city

Chinese man wears a protective face mask as he passes by the CCTV building on a day of heavy pollution on November 30, 2015 in Beijing, China. China's capital and many cities in the northern part of the country recorded the worst smog of the year with air quality devices in some areas unable to read such high levels of pollutants. Levels of PM 2.5, considered the most hazardous, crossed 600 units in Beijing, nearly 25 times the acceptable standard set by the World Health Organization. The governments of more than 190 countries are meeting in Paris this week to set targets on reducing carbon emissions in an attempt to forge a new global agreement on climate change.

Kevin Frayer/Getty Images

Chinese man wears a protective face mask as he passes by the CCTV building on a day of heavy pollution on Monday in Beijing, China. China’s capital and many cities in the northern part of the country recorded the worst smog of the year with air quality devices in some areas unable to read such high levels of pollutants

A masked Palestinian demonstrator flashes the "V" for victory sign during clashes with Israeli security forces in the Palestinian town of al-Bireh on the outskirts of Ramallah in the Israeli-occupied West Bank, on Tuesday

Abbas Momania/AFP

A masked Palestinian demonstrator flashes the “V” for victory sign during clashes with Israeli security forces in the Palestinian town of al-Bireh on the outskirts of Ramallah in the Israeli-occupied West Bank, on Tuesday

A man reacts to the resignation of President Otto Perez in Guatemala City, Guatemala September 3, 2015. Perez has resigned, his spokesman said on Thursday, hours before he is due to appear in court over a corruption scandal that has gutted his government and plunged the country into chaos days before a national election

Jose Cabezas/Reuters

A man reacts to the resignation of President Otto Perez in Guatemala City, Guatemala. Perez resigned on Thursday, hours before he was due to appear in court over a corruption scandal

A couple wearing masks to prevent contracting Middle East Respiratory Syndrome (MERS) looks at each other as they ride on an escalator in Seoul

Kim Hong-Ji/Reuters

A couple wearing masks to prevent contracting Middle East Respiratory Syndrome (MERS) look at each other as they ride on an escalator in Seoul, South Korea on Thursday

Costumed participants wearing traditional wooden masks perform in the annual carnival parade on February 12, 2015 in Mittenwald, Germany. The German Alpine Karwendel region carnival, or what is locally known as "Fasching," goes back centuries and is a celebration meant to awaken the ghosts of spring. Carnival season is in full swing across western and parts of eastern Germany and culminates on February 16 with Rose Monday

Philipp Guelland/Getty Images

Costumed participants wearing traditional wooden masks perform in the annual carnival parade on Thursday in Mittenwald, Germany. The German Alpine Karwendel region carnival, or what is locally known as “Fasching,” goes back centuries and is a celebration meant to awaken the ghosts of spring

People throw turnips at the Jarramplas as he makes his way through the streets beating his drum during the Jarramplas Festival in Piornal, Spain, Tuesday, Jan. 20, 2015. Jarramplas is a character that wears a costume made from colorful strips of fabric, and a devil-like mask and beats a drum through the streets of Piornal while residents throw turnips as a punishment for stealing cattle. The exact origin of the festival are not known, various theories exist from the mythological punishment of Caco by Hercules, to a cattle thief ridiculed and expelled by his neighbors. The Jarramplas Festival takes place every year from the 19th till the 20th of January on Saint Sebastian Day.

Daniel Ochoa de Olza/AP

People throw turnips at the Jarramplas (as a punishment for stealing cattle) as he makes his way through the streets beating his drum during the Jarramplas Festival in Piornal, Spain, on Tuesday

A masked devotee walks out from a house to take part in a parade commemorating the Neku Jatra-Mataya festival, the festival of lights, in Lalitpur August 12, 2014. Devotees celebrate the Buddhist festival which marks the victory of Sakyamuni Buddha over Mara, by praying for the souls of departed family members and holding parades throughout the city.

Navesh Chitrakar/Reuters

A masked devotee walks out from a house to take part in a parade commemorating the Neku Jatra-Mataya festival, the festival of lights, in Lalitpur, Nepal

Members of the Iraqi Special Operations Forces (ISOF) prepare before going out on a patrol in the town of Jurf al-Sakhar, south of Baghdad, June 30, 2014. Iraqi troops battled to dislodge an al Qaeda splinter group from the city of Tikrit on Monday after its leader was declared caliph of a new Islamic state in lands seized this month across a swathe of Iraq and Syria. Alarming regional and world powers, the Islamic State of Iraq and the Levant (ISIL) claimed universal authority when it dropped the local element in its name and said its leader Abu Bakr al-Baghdadi, as leader of the Islamic State, was now caliph of the Muslim world - a medieval title last widely recognised in the Ottoman sultan deposed 90 years ago after World War One.

Alaa Al-Marjani/Reuters

The Iraqi Special Operations Forces prepare for patrol in Jurf al-Sakhar, south of Baghdad. Iraqi troops battled to dislodge the rebel group Islamic State of Iraq and the Levant (Isis) from the city of Tikrit on Monday, after its leader was declared caliph of a new Islamic state in lands seized this month across of Iraq and Syria

A civilian wearing a mask holds a Tunisian flag in Sidi Bouzid, central Tunisia, Tuesday, Dec. 17, 2013 to mark the third anniversary of the Tunisian uprising. Several political groups gather at the square where Mohamed Bouazizi's self-immolation on Dec. 17, 2010 triggered mass protests against social marginalisation and government corruption in Tunisia.

Aimen Zine/AP

A civilian wearing a mask holds a Tunisian flag in Sidi Bouzid, central Tunisia, to mark the third anniversary of the Tunisian uprising. Several political groups gather at the square where Mohamed Bouazizi’s self-immolation in December 2010 triggered mass protests against social marginalisation and government corruption

A Nepalese Hindu devotee dresses as a deity as he prepares to participate in festivities at the Shikali Temple during celebrations for the Shikali Jatra festival in the village of Khokana, on the outskirts of Kathmandu on October 10, 2013.  Local villagers, who normally do not celebrate the country's most famous festival of Dashain, celebrate the Shikali Jatra each year.

Prakash Mathema/AFP

A Nepalese Hindu devotee, dressed as a deity, prepares to participate in festivities at the Shikali Temple during celebrations for the Shikali Jatra festival in the village of Khokana, on the outskirts of Kathmandu, on Thursday

A demonstrator marches during a teachers protest demanding better working conditions and against police beating, on Monday night in Rio de Janeiro.

Christophe Simon/AFP

A demonstrator marches during a teachers protest demanding better working conditions and against police beating, late on Monday night in Rio de Janeiro.

A teacher helps her student put on a face mask due to the haze in Putrajaya

Bazuki Muhammad/Reuters

A teacher helps her student put on a face mask at a school in Putrajaya, outside Kuala Lumpur, on Wednesday. The Malaysian capital remains shrouded in haze, as the environmental crisis continues after a week of thick hazardous smog covered the country and its neighbour Singapore

A protestor wearing a mask with the colours of the Kenyan flag participates in a demonstration against lawmakers' salary demands outside the parliament buildings in the capital Nairobi, May 14, 2013. Kenyan police in riot gear fired teargas and water cannons on Tuesday to disperse about 200 protesters gathered outside parliament to demonstrate against lawmakers' salary demands. REUTERS/Thomas Mukoya (KENYA - Tags: SOCIETY POLITICS CRIME LAW TPX IMAGES OF THE DAY)

Thomas Mukoya/Reuters

A protestor wearing a mask with the colours of the Kenyan flag participates in a demonstration against lawmakers’ salary demands outside the parliament buildings in the capital Nairobi on Tuesday. Kenyan police in riot gear fired teargas and water cannon in attempts to disperse about 200 protesters.