Migrants with a stick, stones and knife fight with each other after a brawl erupted over a place in an overcrowded train heading to the Serbian border at the train station in Gevgelija, The Former Yugoslav Republic of Macedonia, 14 August 2015. (Photo by Georgi Licovski/EPA/EFE)

Two horses appear to burst into laughter before a sweet embrace. The horses both turn their head to look at the camera and flash their teeth, treating the lucky photographer to a rare shot. Moments later the pair show their affectionate side by coming together and “hugging”. Photographer Nir Amos, 34, said he was “amazed” to capture the horses “laughing” in a field near Skógar, in the south east of Iceland on July 31, 2018. (Photo by Nir Amos/Solent News & Photo Agency)

A young migrant runs through the Peace Oasis of the Holy Spirit Amparito shelter where migrants sleep on the floor on mats in Villahermosa, Mexico, late Friday, June 7, 2024. After the head of Mexico's immigration agency ordered a halt to deportations in December, migrants have been left in limbo as authorities round up migrants across the country and dump them in the southern Mexican cities of Villahermosa and Tapachula. (Photo by Felix Marquez/AP Photo)

Scientists trekking for days to the undisputed furthest north land point on the planet, in October 2024 were greeted by an unexpected welcoming party: a stoat, whom they named Randall. The team were heading to Kaffeklubben Island, also known as Inuit Qeqertaat, off the northern tip of Greenland, about 440 miles from the North Pole, when Randall emerged from a cairn of rocks, showing no fear as he went to investigate them. (Photo by Jeff Kerby/Magnus News)

A Australian green tree frog wearing a small turtle as a hat, keeping its head dry during its swim in Padang West Sumatra, Indonesia in May 2023. The Australian green tree frog grows up to 11 centimetres tall, the males being smaller that the females. They can live to the age of 25 and their colour alters between green, brown and blue depending on their mood. (Photo by Yan Hidayat/Media Drum Images)

Members of Panchayati Akhara Bada Udasin take part in a religious procession as they head towards the Kumbh Mela festival ahead of the royal bath near the Sangam, the confluence of three of the holiest rivers in Hindu mythology – Ganga, Yamuna, and the mythical Saraswati – in Prayagraj, Uttar Pradesh, India, 12 January 2025. Every 12 years, Hindu pilgrims gather for ritual baths at the river's banks during the Maha Kumbh Mela festival. (Photo by Rajat Gupta/EPA)

Participants wearing Zentai costumes, or skin-tight bodysuits from head to toe, take part in a march down the shopping district of Orchard Road during Zentai Art Festival in Singapore May 23, 2015. Close to 50 participants strutted down the busy shopping district during the Zentai art festival which is jointly organized by the Japanese embassy. The festival includes performances and discussions on Zentai from May 22 to from June 5. (Photo by Edgar Su/Reuters)

A member of security personnel stands on duty on an empty train platform inside a station on the Subway Line Number 1 on the eve of the Chinese Lunar New Year, in Beijing, China, February 7, 2016. According to local media, traffic in Beijing has seen a rare relief from its usual heavy pressure after 15 million people have left the city, heading for family reunions in their hometowns on the eve of the Chinese Lunar New Year of Monkey. (Photo by Jason Lee/Reuters)