A participant is hit by an orange during an annual carnival battle in the northern Italian town of Ivrea February 7, 2016. Dressed up as Middle Age kings' guards, a group of men ride in a horse-drawn carriage and pelt “foot soldiers” with oranges as thousands of people gather to re-enact a Middle Age battle when the townsfolk of Ivrea overthrew an evil king. In a strange twist, instead of swords and cross bows, these days the weapons of choice are oranges. (Photo by Stefano Rellandini/Reuters)

Locals re-enact the 1573 medieval battle of “Seljacka Buna” in Donja Stubica February 7, 2015. (Photo by Antonio Bronic/Reuters)

Residents observe a police officer take up position during an operation at the Mare slums complex in Rio de Janeiro March 25, 2014. The federal troops have taken control of security operations in Mare slums complex to help quell a surge in violent crime following attacks by drug traffickers on police posts in three slums on the north side of the city, government officials said. (Photo by Ricardo Moraes/Reuters)

A man dresses as a plague doctor at the Bannockburn Live event on June 28, 2014 in Stirling, Scotland. The 700th anniversary of the historic battle that saw the outnumbered Scots conquer the English led by Edward II in the First War of Scottish Independence. (Photo by Peter Macdiarmid/Getty Images)

Two woman lie in a puddle of squashed tomatoes during the annual “Tomatina” tomato fight fiesta, in the village of Bunol, 50 kilometers outside Valencia, Spain, Wednesday, August 26, 2015. The streets of an eastern Spanish town are awash with red pulp as thousands of people pelt each other with tomatoes in the annual "Tomatina" battle that has become a major tourist attraction. At the annual fiesta in Bunol on Wednesday, trucks dumped 150 tons of ripe tomatoes for some 22,000 participants, many from abroad to throw during the hour-long morning festivities. (Photo by Alberto Saiz/AP Photo)

Participants wearing medieval costumes re-enact the 1620 battle of Bila Hora between Bohemian Estates and Austrian Imperial with Catholic forces in Prague, Czech Republic September 18, 2016. (Photo by David W. Cerny/Reuters)

A member of Libyan forces allied with the U.N.-backed government fires a weapon on a pickup truck during a battle with Islamic State militants in Giza Bahreya, in Sirte, Libya October 27, 2016. (Photo by Hani Amara/Reuters)