View of colourful rock formations at the Zhangye Danxia Landform Geological Park in Gansu Province, China. The Zhangye Danxia Landform Geological Park is 40km from Zhangye city. The park spans more than 400 square kilometers in Gansu. The unusual terrain is the result of red sandstone and mineral deposits carved over the years by natural forces. (Photo by ImagineChina/The Grosby Group)

This undated handout photo received from the Antarctic Ocean Alliance on October 28, 2016 shows a adelie penguin jumping onto the ice in the Ross Sea in Antarctica. The world's largest marine reserve aimed at protecting the pristine wilderness of Antarctica will be created after a “momentous” agreement was finally reached on October 28, 2016 with Russia dropping its long-held opposition. (Photo by John Weller/AFP Photo/Antarctic Ocean Alliance)

A park worker holds a monitor lizard at Lumpini park in Bangkok, Thailand, September 20, 2016. More than 400 of the Monitor lizards in the park will be caught by Thai authorities to relocate the reptile to a wildlife breeding center in the effort to control the creature population in the public park after the monitor lizard disturbing and causing several minor accident of people who jogging and cycling at the Lumpini Park. (Photo by Athit Perawongmetha/Reuters)

Delphina Bianchi, 10, sits on the bed of a truck carrying giant pumpkins from her grandfather's John Muller's farm at the Annual Safeway World Championship Pumpkin Weigh-Off Monday, October 12, 2015, in Half Moon Bay, Calif. (Photo by Marcio Jose Sanchez/AP Photo)

An unidentified runner gestures while being attended by medical services following the first running of the bulls of the San Fermin festival in Pamplona, northern Spain, July 7, 2015. Two runners were gored in the run that lasted 2 minutes and 23 seconds, according to local media. (Photo by Eloy Alonso/Reuters)

Masked revellers pose in St. Mark's Square during the Venice Carnival, February 7, 2015. The Venetian carnival started on January 31 and runs until February 17, forty days before Easter celebrations. (Photo by Stefano Rellandini/Reuters)

These hilarious photos will leave people wedding themselves with laughter. The images – which include photobombs, wardrobe malfunctions and unexpected animal behaviour – have been released by the International Society of Professional Wedding Photographs (ISPWP). Each year the society holds quarterly competitions, celebrating a variety of the best image from couples special days. Other categories in the ISPWPs completions include the likes Getting Ready, First Dance, Family Love, and a selection of portrait possibilities. Here: Couples wedding photo photobombed by deer. (Photo by Hendra Lesmana/Caters News Agency/ISPWP)

Mechanics work in the Buggy belonging to Argentina's Manuel Sisterna and Adrian Echegaray during technical verification ahead of the Dakar Rally 2015 in Buenos Aires January 1, 2015. (Photo by Enrique Marcarian/Reuters)