Children clean the interior of a granary in preparation for grain storage in Odek village, north of Uganda capital Kampala February 14, 2015. Odek is the birthplace of Joseph Kony, founder and leader of the rebel group Lord's Resistance Army. The LRA rose up against the government in northern Uganda under the leadership of Kony in the late 1980s and has been accused of abducting children to serve as fighters and s*x slaves. (Photo by James Akena/Reuters)

This September 22, 2014 photo, shows a building with street art murals in the Santurce neighborhood in San Juan, Puerto Rico. (Photo by Ricardo Arduengo/AP Photo)

The contest began in 2007, and since then photographers from more than 70 countries have entered. Photo: Michael O'Neal of San Francisco won first place in the animals category in the 2014 iPhone Photography Awards. (Photo by Michael O'Neal)

“Photo mechanic” and photographer Ionut Caras creates surreal concepts by combining the everyday with the unthinkable. His use of light and tone takes the viewer into a bizarre and beautiful world only seen in storybooks and our dreams. Photo: “The observer”. (Photo by Ionut Caras)

“Hellfest is an annual music festival which takes place in Clisson, France in mid-June. It is held within the Val de Moine sport complex in Clisson, approximately 35 km south-east of the city of Nantes, and approximately 400 km south-west of the nation's capital Paris. Billed as an “extreme music festival”, the programme features a variety of heavy metal, hard rock, punk and hardcore acts”. – Wikipedia. Photo: HellFest 2013. (Photo by Cesar Hernandez)

“Supanova Pop Culture Expo (Supanova) is a fan convention focusing on science fiction and fantasy film and TV, comic books, anime, gaming and collectables. It is held annually in the Australian cities of Sydney, Brisbane, Perth and Melbourne”. – Wikipedia

Photo: Terminator and Wolverine pose for photos during the National Cosplay Championships as part of the Supanova Pop Culture Expo at the Dome at Olympic Park on June 19, 2010 in Sydney, Australia. Cosplayers and comic book and sci-fi fans from across the state gathered to meet like-minded folk and attend guest panels with the stars of some of the popular television shows and publications of the genre. (Photo by Sergio Dionisio/Getty Images)

A recruitment drive during the First World War at Trafalgar Square, London. (Photo by Central Press/Getty Images)

A Thorneycroft motor van as used during World War I. (Photo by Topical Press Agency/Getty Images). August 1914