A photographer could bear-ly believe his eyes when a bear started waving at him. The friendly animal wandered to the front of his enclosure before sitting back in full view of zoo guests. He then lifts his powerful paw and excitedly waves in an almost human-like way at his new audience. The hilarious encounter was captured by keen photographer Andrey Slepnev, 31, while on a trip to Madrid Zoo, Spain on March 24, 2016. (Photo by Andrey Slepnev/Caters News)

“Sniff out the Appenzell Cheese”. Alexander Hunter, 30, of Greenwich, Conn., took this photo in Appenzell, Switzerland, in September 2014. (Photo by Alexander Hunter)

A C-17 Globemaster III crew prepares an air refueling mission September 27, 2012, at Joint Base Charleston, S.C. (Photo by Airman 1st Class Matthew J. Bruch/U.S. Air Force photo)

The picture dated May 14, 2025 shows the RAF Typhoon display pilot, Squadron Leader Nathan Shawyer, who has now completed his Public Display Authorisation, rehearsing over RAF Coningsby in Lincolnshire, UK ahead of this year's airshows. The RAF Typhoon display team will be participating in several airshows this year, including the Midlands Air Festival on May 30 and the English Riviera Airshow in Paignton Devon on May 31. (Photo by Claire Hartley/Bav Media)

Vast collection of fine art photography about to open at Pier 24 in Manhattan. One of the world's most prestigious annual photography events, The Photography Show is the longest-running and foremost exhibition dedicated to the photographic medium, offering a wide range of museum-quality work, including contemporary, modern, and 19th-century photographs as well as photo-based art, video, and new media. Here: Les Trois Femmes Deux, 2018. (Photo by Mickalene Thomas/Courtesy of Yancey Richardson Gallery, New York)

A U.S. Army soldier with the 10th Special Forces Group and his military working dog jump off the ramp of a CH-47 Chinook helicopter from the 160th Special Operations Aviation Regiment during water training over the Gulf of Mexico as part of exercise Emerald Warrior 2011 on March 1, 2011. (Photo by Tech. Sgt. Manuel J. Martinez/U.S. Air Force)

In this undated photo entitled “Close Call”, a Hawaiian green sea turtle swims through a breaking wave on the North Shore of Oahu near Haleiwa, Hawaii. The image appears in photographer Clark Little's new book, “The Art of Waves”. (Photo by Clark Little via AP Photo)

Police intervene as two women fight at a pro-law enforcement rally that clashed with counter protesters demonstrating against racial inequality, in Denver, Colorado, U.S. July 19, 2020. (Photo by Kevin Mohatt/Reuters)