Model Helen Kwok displays the nail art completed by a competitor at the Canada Nail Cup in Vancouver, Monday, February 16, 2015. Nail artists competed in multiple categories at the event, which according to organizers is the only nail competition in the country. (Photo by Darryl Dyck/AP Photo/The Canadian Press)

A Palestinian boy holds an umbrella as he runs near houses that witnesses said were destroyed or damaged by Israeli shelling during the most recent conflict between Israel and Hamas, on a rainy day in the east of Gaza City November 16, 2014. (Photo by Suhaib Salem/Reuters)

Actor George Clooney is arrested with his father Nick Clooney (2R) during a demonstration outside the Embassy of Sudan March 16, 2012 in Washington, DC. United to End Genocide, the Enough Campaign and Amnesty International held a rally to call on the United States and world leaders to stop the violence in South Sudan and prevent hundreds of thousands of people from starving. (Photo by Win McNamee/Getty Images)

A woman dressed as “The Milkmaid” (Het Melkmeisje), after a painting by Dutch painter Johannes Vermeer, picks up tulips at the National Tulip Day on the Dam, Amsterdam, the Netherlands, 16 January 2016. The event is the official start of the international tulip season which runs until the end of April. (Photo by Evert Elzinga/EPA)

Ethnic Miao men wearing traditional masks smear dust on a woman's face to wish her good luck during local celebration event for Lunar New Year in Liuzhou, Guangxi Zhuang Autonomous Region, China, February 16, 2016. (Photo by Reuters/Stringer)

A mother of a victim who was onboard sunken ferry Sewol, leaves a message on a desk used by her child at an empty classroom, which was preserved since the disaster, at Danwon high school during the second anniversary of the disaster in Ansan, South Korea, April 16, 2016. (Photo by Kim Hong-Ji/Reuters)

A fireball erupts from a 16-inch gun on the battleship USS Wisconsin during a live fire exercise in the Persian Gulf, October 13, 1990. The ship is in the Gulf as part of Operation Desert Shield. (Photo by John Gaps III/AP Photo)

Young stag deer clash antlers during the annual rut in Richmond Park in west London, Britain, October 16, 2015. The Royal Park has had Red and Fallow deer present since 1529, and early autumn sees the rutting or breeding season begin amongst the herd of over six hundred animals. (Photo by Toby Melville/Reuters)