These frozen caves seem almost otherworldly as they daylight illuminates them. Matej Kriz’s shots reveal the beauty of the brilliant caves, but he’s also very aware of how deadly they can be. The photographer captured the amazing shots in the Vatnajokull National Park on the Breidamerkurjokull glacier tongue. Here: The ice caves, taken in the Vatnajokull National Park in Iceland, on November 11, 2017. (Photo by Matej Kriz/Caters News Agency)

Priest Sergei Ryzhov conducts a ceremony as a man takes a dip in the freezing waters of Lake Buzim during Orthodox Epiphany celebrations near the village of Sukhobuzimskoye north of Krasnoyarsk, Russia on January 19, 2018. (Photo by Ilya Naymushin/Reuters)

People take part in a snowball fight in front of the Colosseum covered by snow during a snowfall in Rome, Italy, 26 February 2018. Media reports on 26 February state that extreme cold weather is forecast to hit many parts of Europe with temperatures plummeting to a possible ten year low. (Photo by Angelo Carconi/EPA/EFE)

A guest takes a selfie during the show of Laura Biagiotti at the Milan Fashion Week, in Milan, Italy, 24 February 2019. The Fall-Winter 2019/20 Women's collections are presented at the Milano Moda Donna from 20 to 25 February 2019. (Photo by Matteo Bazzi/EPA/EFE)

Models present creations by designer Tommy Hilfiger as part of his Fall/Winter 2019-2020 women's ready-to-wear collection show during the Paris Fashion Week in Paris, France, March 2, 2019. (Photo by Regis Duvignau/Reuters)

Cara Delevingne and other models react while presenting creations by late designer Karl Lagerfeld as part of his Fall/Winter 2019-2020 women's ready-to-wear collection show for fashion house Chanel at the Grand Palais during Paris Fashion Week in Paris, France on March 5, 2019. (Photo by Regis Duvignau/Reuters)

This adorable gallery reveals the astonished expressions of dozens of puppies as they try to gobble up treats flying through the air toward them. Photographer Christian Vieler, 48, has been documenting pooches, with their eyes bulging, mouths wide open and looks of love on their faces, in his studio as part of the project “Dogs Catching Treats” since 2013. (Photo by Christian Vieler/Caters News Agency)

Blake Shelton looks “Worse for Wear” after a 5hr dinner with Girlfriend Gwen Stefani and fellow Country star Luke Bryan at “Craigs” Restaurant in West Hollywood, CA on April 15, 2019. (Photo by SPW/Splash News and Pictures)