A horse smiles at the camera. See the beautiful images of horses gleefully playing in Iceland mountain ranges. The horses have been spotted smiling and cuddling in remote locations across the nation. (Photo by Bragi J. Ingibergsson/Caters News)

A man feeds langur monkeys during a lockdown amid the Covid-19 coronavirus pandemic in Pushkar on April 28, 2021. (Photo by Himanshu Sharma/AFP Photo)

A woman leans against the colonnade of the Museum of the Great Patriotic War (also known as the Victory Museum ) – the largest museum of military history in Russia at Poklonnaya Hill in Moscow on August 18, 2023. (Photo by Natalia Kolesnikova/AFP Photo)

Groom Praem Pam Srichamnan and his bride Suriya Utai jump into a pond during a wedding ceremony ahead of Valentine's Day in Prachin Buri province, east of Bangkok February 13, 2014. Three Thai couples took part in the wedding ceremony arranged by a resort aimed to strengthen the relationships of the couples by doing fun activities. (Photo by Damir Sagolj/Reuters)

“Not for the faint of heart”. Casa Milà, better known as La Pedrera, is a building designed by the Catalan architect Antoni Gaudí and built during the years 1905–1910, being considered officially completed in 1912. It is located at 92, Passeig de Gràcia in the Eixample district of Barcelona, Catalonia, Spain. (Photo by Stefano Scarselli)

A tour group wanders through block 7 of Eastern State Penitentiary in Philadelphia, Pennsylvania April 30, 2014. Opened in 1829, with the original corrective system of “confinement in solitude with labor”, the penitentiary housed about 75,000 inmates in its 142 years of operation. At Eastern State reunions, former inmates, staff and guard gather to share memories and trade stories and get a chance to describe their experiences in question-and-answer sessions with the public. (Photo by Mark Makela/Reuters)

Sally Fitzgibbons of Australia competes in the Women's Final of the 2012 Australian Surfing Open on February 19, 2012 in Manly, Australia. (Photo by Cameron Spencer/Getty Images)