Estonia's olympic team female marathon runners triplets (L-R) Lily, Liina and Leila Luik run during a training session in Tartu, Estonia, May 26, 2016. Leila, Liina and Lily Luik will make Olympics history as the first identical triplets to compete against each other when they cross the start line for the women's marathon in Rio. (Photo by Ints Kalnins/Reuters)

A reveller wearing a costume dances as she holds a dring during the carnival street parade in Valletta, Malta, February 25, 2017. (Photo by Darrin Zammit Lupi/Reuters)

“Danger in the mud” – a crocodile at Mana Pools National Park, Zimbabwe. The grand prize winner. (Photo by Jens Cullmann/World Nature Photography Awards 2022)

“Ashes and Snow by Canadian artist Gregory Colbert is an installation of photographic artworks, films, and a novel in letters that travels in the Nomadic Museum, a temporary structure built exclusively to house the exhibition. The work explores the shared poetic sensibilities of human beings and animals”. – Wikipedia. (Photo by Gregory Colbert)

This photographer is walking on thin ice after taking stunning photographs inside an Alaskan ice cave that could collapse at any moment. With it's dazzling turquoise walls and and huge open spaces, it's hard to imagine that this incredible frozen cavern was only formed at the beginning of 2012. But despite it's seemingly mystical allure, the fascinating natural phenomena is at risk of collapsing in on itself without warning. (Photo by Ron Gile/Caters News)

We are so used to seeing common square-shaped buildings that we are completely surprised when architects cook up something new and refreshing. However, the new creation that appeared in Rotterdam beside the Binnenrotte is simply jaw dropping. This one of a kind architectural masterpiece is a combination of a huge open air market and an apartment building. The name of this place is Markthal Rotterdam, and it is bound to become one of the main destination points for tourists that come and visit the beautiful city of Rotterdam. (Photo by Ossip van Duivenbode)

A Russian trenchmortar crew run to take up a new firing position in the Stalingrad area during the Great Patriotic War. (Photo by Keystone/Getty Images). October 1942