A combination of four pictures shows participants dressed in superhero and heroic fantasy costumes posing during the second edition of the Hero Festival in Marseille, France, November 7, 2015. The festival is dedicated to American superhero comics, Japanese mangas, heroic fantasy characters and video games universes. (Photo by Jean-Paul Pelissier/Reuters)

Natalia Arango works with her mine detector in a zone of landmines planted by rebels groups near Sonson in Antioquia province, November 19, 2015. Women's work takes on a nontraditional meaning for fifteen Colombian women who work to rid the Antioquia Mountains of deadly landmines as the country edges closer to a peace agreement with Marxist rebels to end over a decade of conflict which has claimed 220,000 lives. (Photo by Fredy Builes/Reuters)

Men dressed as “Krampuss” prepare to parade at Munich's Christmas market, December 13, 2015. Young single men will wear the traditional attires known as “Krampusse”, consisting of animal skins and masks, with large cow-bells to make loud and frightening noises and parade through the city. They follow “Saint Nicholas” from house to house in December each year to bring luck to the good and punish the idle. (Photo by Michael Dalder/Reuters)

Brendan Fitzpatrick is a commercial photographer specialising in advertising and lifestyle photography. He also creates unique X-ray images marketed under the banner Invisible Light. Brendan is based in Sydney, Australia. (Photo by Brendan Fitzpatrick)

Most pet cats will become timid or defensive when outdoors, but not Millie – after being adopted by her mountain-climbing owner Craig Armstrong, Millie has become a feline hiking and mountain-climbing legend.

Face Off is an American reality television game show on the Syfy cable network in which a group of prosthetic makeup artists compete against each other to create prostheses such as those found in science fiction and horror films.

A destroyed T-72 tank, which presumably came from Russia, is seen on a battlefield near separatist-controlled Starobesheve, eastern Ukraine, October 2, 2014. The burnt-out remains of dozens of tanks and armoured vehicles in fields near the small village of Horbatenko bear witness to the ferocity of a battle that turned the tide of the conflict in eastern Ukraine. Among the debris, Reuters found the blackened carcasses of what military experts have since identified as two Russian army tanks, supporting statements by Kiev and the West that the rebels were backed by troops and equipment sent by Moscow. (Photo by Maria Tsvetkova/Reuters)

The Grand National springs to mind as the yearly highlight of the “sport of kings” – thoroughbred steeds and their brave jockeys triumphing (or failing) over gruelling courses and high-fenced adversity. And now steeplechase enthusiasts can add another event to the annuls of great sporting occasions, namely the Stuttgart rabbit show jumping. Here: Rabbit showjumping at an animal fair in Stuttgart, Germany, on November 16, 2014. (Photo by Action Press/Rex Features)