A group of youngsters dressed as ghouls and zombies for Halloween parade in downtown Lisbon, Portugal, Friday, October 31, 2014. (Photo by Francisco Seco/AP Photo)

Zurich soccer player Loris Benito tries to catch a marten during the Swiss Super League match between FC Thun and FC Zurich in Thun, Switzerland, March 10, 2013. (Photo by Marcel Bieri/Keystone)

White smoke billowed from the chimney on the Sistine Chapel indicating that a new pope has been elected in St. Peter's Square at the Vatican, Wednesday, March 13, 2013. (Photo by Dmitry Lovetsky/AP Photo)

Internally displaced Syrians who fled Raqqa tie ropes for their tents in a camp in Manbij, Syria on April 6, 2017. (Photo by Rodi Said/Reuters)

Eddie Ladd and Gwyn Emberton perform as Dylan and Caitlin Thomas in “Caitlin” at the Lauriston Hall, Edinburgh, Scotland on August 25 2017. (Photo by Mary Turner/Reuters)

Firefighters pull a pig as they try to rescue it from a well at a pig farm in Huanghua township of Leqing, Zhejiang province, China, April 25, 2014. Seven local firefighters successfully rescued the 300 kg (661 lbs) pig, local media reported. (Photo by Reuters/China Daily)

Professional conceptual category winner. Greetings from Mars, by Julien Mauve, France. Mauve says: “I have always wondered what it would be like to discover a totally different world ... and to photograph it for the first time as if I was Ansel Adams. So I came up with this project, which is about space exploration and discovery. But it’s also about our behavior in front of landscapes and how we create pictures that will share our personal story with the world”. (Photo by Julien Mauve)

These girls are scantily dressed as they head out for a night out in Portsmouth, Hampshire on September 21, 2016 in matching outfits. Thousands of Portsmouth University students enjoy freshers week. Teenagers enjoy their first taste of freedom in bars and clubs near Portsmouth Guildhall which on a midweek alcohol fuelled night of fun in the early hours of Wednesday morning much to the despair of local residents who get disturbed up to 4am when they eventually wander home. Girls dressed in “Dirty Disco” outfits with “Don't tell daddy” on their bums. (Photo by Paul Jacobs/PictureExclusive.com)