These horses are pictured in the Khentii province in eastern Mongolia during the Winter Horse Festival – where skillful horsemen gather to challenge the strength of their horses and show off their riding skills. Pictures were taken by Batzaya Choijiljav, a travel company director from Mongolia. Here: The fur of a horse ices up in the –40 cold of Mongolia. (Photo by Batzaya Choijiljav/Caters News)

Fascinated by the texture and color of water artist Elizabeth Patterson challenged herself to recreate the absurdly complex formation of water droplets on rain-streaked windshields. Her ongoing series titled Rainscapes blends drawing, hyperrealism, and traditional landscape techniques resulting in images that can be seen as both real and abstract.

Lukas Podolski of Koeln is challenged by Philipp Wollscheid of Nuernberg during the Bundesliga match between 1. FC Koeln and 1. FC Nuernberg at RheinEnergieStadion on April 3, 2011 in Cologne, Germany.

Mark Wagner, the collage artist, challenges viewers to examine their relationship with money and the capitalist society in which we live. Photo: “Way of the Dinosaur”, cut one-dollar bills. (Photo by Mark Wagner)

Texan-born photographer Peter Augustus has challenged our notions of what exactly is in mystery meat with a series of photographs showing the ingredient in its original form.

Challenger Deep Submersible is shown for the first time at the Virgin Group Media Announcement by the President & CEO of Virgin Airlines Sir Richard Branson at the Newport Harbor Yacht Club on April 5, 2011 in Balboa, California. (Photo by John M. Heller/Getty Images)

In this Sunday, September 6, 2020 file photo, people with their children stand at a barbed wire fence in front of a police line toward the Independence Palace, residence of the President Alexander Lukashenko, during Belarusian opposition supporters rally in Minsk, Belarus. Belarus President Alexander Lukashenko has relied on massive arrests and intimidation tactics to hold on to power despite nearly three months of protests sparked by his re-election to a sixth term, but continuing protests have cast an unprecedented challenge to his 26-year rule. (Photo by TUT.by via AP Photo)

Sichuan Opera performer Wu Yonghong, 26 years, of the Jinyuan Opera Company performs for villagers at the Dongyue Temple on May 2, 2016 in Cangshan, Sichuan province, China. Sichuan opera is a vibrant, centuries-old tradition that showcases the joys and challenges of daily life in rural China with tales of love, tradition, and family honor. Photo by Kevin Frayer/Getty Images)