A participant works on a laptop on the first day of the 28th Chaos Communication Congress (28C3) – Behind Enemy Lines computer hacker conference on December 27, 2011 in Berlin, Germany. The Chaos Computer Club is Europe's biggest network of computer hackers and its annual congress draws up to 3,000 participants. (Photo by Adam Berry/Getty Images)

Children with balloons play beside the statue of British comedy legend Eric Morecambe on January 16, 2012 in Morecambe, England. According to scientists January 16, 2012 was “Blue Monday”, the most depressing day of the year. (Photo by Christopher Furlong/Getty Images)

A man rides a horse through a bonfire on January 16, 2012 in the small village of San Bartolome de Pinares, Spain. In honor of San Anton, the patron saint of animals, horses are riden through the bonfires on the night before the official day of honoring animals in Spain. (Photo by Jasper Juinen/Getty Images)

Girls look at a newly installed “Renew” media point in the City of London on January 26, 2012 in London, England. The “pods” will transmit each market day and will include breaking news, weather and travel information, and information about sport, fashion, the arts and entertainment. The stations which will also double as recycling points are run by media company Renew. (Photo by Dan Kitwood/Getty Images)

Soma-Nomaoi is a festival that recreates a battle scene from more than 1,000 years ago. It is annually held for 4 days from July 22 to 25 in Haramachi City, Fukushima Prefecture, in the eastern part of Japan. In this historical event, 600 mounted samurai in traditional Japanese armor, with long swords at their side and ancestral flagstaffs streaming from their backs, ride across open fields. Soma-Nomaoi has been designated an Important Intangible Folk Cultural Property.

Photo: A young woman (C) clad in samurai costume leads other local poeple as she rides her horse during a parade at the annual Soma Nomaoi festival in Minamisoma, Fukushima Prefecture, on July 28, 2012. The traditional full-scale festival kicked off for the first time after the accident of the Fukushima Dai-ichi Nuclear Power Plant following the massive earthquake and the tsunami on March 11, 2011. (Photo by Toru Yamanaka/AFP Photo)

A mudlark uses a torch to look for items on the bank of the River Thames in London, Britain June 06, 2016. Mudlarking is believed to trace its origins to the 18th and 19th century, when scavengers searched the Thames' shores for items to sell. These days, history and archaeology fans are the ones hoping to find old relics such as coins, ceramics, artifacts or everyday items from across centuries. their finds with the Portable Antiquities Scheme. Any item over 300 years old must be recorded. (Photo by Neil Hall/Reuters)

Foreign tourists join the annual Songkran Festival celebration, the Thai traditional New Year, also known as the water festival in Silom district of Bangkok, Thailand, 13 April 2014. The three-day Songkran Festival runs from 13 to 15 April and is celebrated with splashing water and putting powder on each others faces as a symbolic sign of cleansing and washing away the sins from the old year. (Photo by Narong Sangnak/EPA)

Vancouver B.C. April 20, 2014 Big Day to celebrate as thousand gathered in front of Vancouver Art Gallery to take part in the 420 Marijuana smoke in here in Vancouver on April 20, 2014. Here lots of free “joints” ready for the big moment. (Photo by Mark van Manen/PNG Staff Photographer/Ian Austin Province News/Vancouver Sun News & Web stories)