Two Herens cows lock horns during the qualification round of the annual “Battle of the Queens” cow fight finals in Aproz, in the western Alpine canton of Valais May 5, 2013. Each year when taken to the alpine pastures, the cows test their strength and fight for the herd's leadership. The competition continues until a new queen has forced all the other cows to retreat. (Photo by Valentin Flauraud/Reuters)

A girl in a vamire costume poses for pictures during the traditional park picnic on the first day of the annual Wave-Gotik Treffen, or Wave and Goth Festival, on May 17, 2013 in Leipzig, Germany. The four-day festival, in which elaborate fashion is a must, brings together over 20,000 Wave, Goth and steam punk enthusiasts from all over the world for concerts, readings, films, a Middle Ages market and workshops. (Photo by Marco Prosch)

Residents, covered with mud and dried banana leaves, ask for money and candles from police before attending a mass celebrating the feast day of the Catholic patron Saint John the Baptist in the village of Bibiclat, Nueva Ecija, north of Manila, June 24, 2013. Hundreds of devotees took part in this annual religious tradition, which has been held in the village since 1945. (Photo by Cheryl Ravelo/Reuters)

Tourists play at a beach covered by a thick layer of green algae in Qingdao, China, on July 3, 2013. A large quantity of non-poisonous green seaweed, enteromorpha prolifera, hit China's Qingdao coast last month. More than 20,000 tons of such seaweed has been removed from the city's beaches. This has now become an annual summer event. (Photo by Whitehotpix/ZumaPress.com)

This picture taken on February 23, 2014 shows participants wearing dresses running half-naked in the annual 3.5 km Undie Run held in the Olympic Forest Park smog-covered Beijing. Some 200 participants took part in this event, many of them with gas masks, as dangerous smog blighted swathes of northern China in recent days. (Photo by AFP Photo/STR)

Attendants prepare to fill glasses for delegates before the opening session of the Chinese People's Political Consultative Conference at Beijing's Great Hall of the People, Thursday, March 3, 2016. The more than 2,000 members of China's top legislative advisory body convened their annual meeting Thursday, kicking off a political high season that will continue with the opening of the national congress on Saturday. (Photo by Mark Schiefelbein/AP Photo)

Owner Elizabeth Wilson groomes her Chinese Crested and Coton De Tulear dogs during the annual Crufts Dog Show at the NEC Arena in Birmingham, Britain, March 10, 2016. The world's largest dog show will be held from March 10 to 13 with 22,000 dogs competing for the world class title of Crufts Best In Show. (Photo by Nigel Roddis/EPA)

Drag queen Lior Israelov (L), who goes by the stage name Suzi Boum, and his transgender sister Arizona pose for a photo in a studio In Tel Aviv June 3, 2015. While Tel Aviv has become a world-class destination for gay tourism, the holy city of Jerusalem was the scene of an attack by an ultra-Orthodox Jew that killed an Israeli teenager at an annual Gay Pride parade on July 30. The assailant, who called the parade an abomination against God, has been charged with murder. (Photo by Baz Ratner/Reuters)