A woman has her hair done as people visit the International Beauty Show New York at Javits Center in New York, U.S., March 13, 2017. (Photo by Eduardo Munoz/Reuters)

In this June 16, 2017 photo, Batel Delciner, 23, removes wood from a furnace to lower the heat cooking sugar juice at the Ti Jean distillery, which produces clairin, a sugar-based alcoholic drink, in Leogane, Haiti. The broth is cooked for about four hours after a fermentation period of four to eight days. (Photo by Dieu Nalio Chery/AP Photo)

Caroline Wozniacki of Denmark serves in her match against Kaia Kanepi of Estonia during day four of the Toray Pan Pacific Open at Ariake Colosseum on September 28, 2011 in Tokyo, Japan. (Photo by Koji Watanabe/Getty Images)

Chinese butchers catch a pig to slaughter on January 31, 2005 in Jinzhai County, Anhui Province, China. (Photo by Cancan Chu/GettyImages)

A Citroen Aircross concept car is pictured during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. The car show runs through September 27. (Photo by Kai Pfaffenbach/Reuters)

A woman uses her smartphone before the Chanel Cruise Collection 2015/16 fashion show at the Dongdaemun Design Plaza in Seoul, May 4, 2015. (Photo by Thomas Peter/Reuters)

Revellers take part in the the 70th Annual Columbus Day Parade in New York, October 13, 2014. (Photo by Eduardo Munoz/Reuters)

A soldier poses with a Hythe Mk III Gun Camera during training activities at Ellington Field, Houston, Texas in April of 1918. The Mk III, built to match the size, handling, and weight of a Lewis Gun, was used to train aerial gunners, recording a photograph when the trigger was pulled, for later review, when an instructor could coach trainees on better aiming strategies. (Photo by Harry Kidd/WWI Army Signal Corps Photograph Collection via The Atlantic)