A woman uses a electronic vaporizers with cannabidiol (CBD)-rich hemp oil while attending the International Cannabis Association Convention in New York, October 12, 2014. (Photo by Eduardo Munoz/Reuters)
A man poses as “Lemongrab” from Adventure Time outside the MCM Comic Con at the Excel Centre in East London, October 25, 2014. (Photo by Andrew Winning/Reuters)
People dressed as a zombie taking part in Zombie Parade on a streets of Belgrade during a zombie walk in Belgrade, on October 26, 2014. The zombie walk is part of the events of upcoming Serbian film fiction festival. (Photo by Oksana Toskic/SIPA Press)
Youths parade wearing World War Two uniforms during the Independence Day celebrations in Gdansk November 11, 2014. (Photo by Lukasz Glowala/Reuters/Agencja Gazeta)
A craftsman works on making human anatomy mannequins on April 23, 2014 in Depok, West Java, Indonesia. The mannequins are made from fiberglass and will be used in schools, hospitals and laboratories. (Photo by Nurcholis Anhari Lubis/Getty Images)
Storm clouds gather over the scene outside the Jewish Community Center in Leawood, Kansas following a shooting, on April 13, 2014. (Photo by John Sleezer/Kansas City Star/MCT)
A woman gets tattooed at The Great British Tattoo Show at Alexandra Palace on May 24, 2014 in London, England. (Photo by Tristan Fewings/Getty Images for Alexandra Palace)
Festival goers splash through a muddy puddle at Worthy Farm in Somerset, on the third day of the Glastonbury music festival June 27, 2014. (Photo by Cathal McNaughton/Reuters)