Alex Plunkett, left, and Sean Hart, both of Arlington, Va., join hundreds participating in the annual International Pillow Fight Day on April 5. Massive pillow fights broke out on the Mall in Washington and in cities around the world. (Photo by Marvin Joseph/The Washington Post)

Going toe-to-toe, these fighting primates could give Floyd Mayweather a run for his money. The amazing images – captured by Australian tourist Julie Rathbone on the banks of the Zambezi river in Africa – show the pair engaging in a few fisticuffs. The Chacma baboons appeared to settle a disagreement by fighting – before a senior baboon plays referee and steps in to break it up. Nurse unit manager Julie Rathbone, 59, from New South Wales, was on a cruise down the river when she spotted the fracas unfolding. (Photo by Julie Rathbone/Caters News)

Water is seen discharged over the traditional farm houses at Shirakawa-go, the UNESCO World Heritage site on November 9, 2014 in Shirakawa, Japan. This annual drill is held to prevent fire. (Photo by Kaz Photography/Getty Images)

A 13-month-old chimp named Fumo carries a “Christmas present” of food treats in wrapping paper under his arm during a Christmas-themed feeding time at Sydney's Taronga Park Zoo, December 9, 2014. Fumo, meaning “chief” or “spear” in Swahili, is one of the latest additions to the zoo's successful primate breeding program. (Photo by Jason Reed/Reuters)

“Ada Wong is a fictional character in the Resident Evil horror franchise by Capcom, introduced as a supporting character in the video game Resident Evil 2 in 1998. She is widely regarded as one of the most popular female characters in the series, alongside Jill Valentine and Claire Redfield, as well as one of the most attractive female characters in video games”. – Wikipedia

Photo: “Ada Wong” (Resident Evil Cosplay). Model: Giulia Valenti. (Photo by Massimiliano Pellegrini)

Parc Astérix is a theme amusement park in France, based on the stories of Asterix (by Albert Uderzo and René Goscinny). Situated approximately 35 km (22 mi) north of Paris and 32 km (20 mi) from Disneyland Resort Paris, in Plailly in the département of Oise, it opened in 1989. The park is operated by Compagnie des Alpes.

A dog rides a wave while competing during the 5th Annual Surf Dog competition at Huntington Beach, California, on September 29, 2013. (Photo by Frederic J. Brown/AFP Photo)

Alan Cumming and Uma Thurman attend the Versace for H&M Fashion event at the H&M on the Hudson on November 8, 2011 in New York City. (Photo by Rabbani and Solimene Photography/Getty Images for Versace for H&M)