English model Cara Delevingne attends The Metropolitan Museum of Art's Costume Institute benefit gala celebrating the opening of the “In America: An Anthology of Fashion” exhibition on Monday, May 2, 2022, in New York. (Photo by Evan Agostini/Invision/AP Photo)

Portugal's Cristiano Ronaldo poses for a photo with Giuliana, a fan from Brazil, as he arrives with the Portuguese team at Lisbon airport to depart for the World Cup in Qatar, Friday, November 18, 2022. (Photo by Armando Franca/AP Photo)

A partially frozen Niagara Falls is seen on the American side lit by lights during sub freezing temperatures in Niagara Falls, Ontario March 3, 2014. (Photo by Mark Blinch/Reuters)

Members of the Indian Border Security Force (BSF) demonstrate their skills on motor-bikes during the BSF Golden Jubilee Day celebration in New Delhi on December 1, 2015. (Photo by Money Sharma/AFP Photo)

Elise Graham takes part in the World Bog Snorkelling Championships 2017 with a rubber duck on her back on August 27, 2017 in Llanwrtyd Wells, Wales. The competition draws competitors from all over the world and is now in its 32nd year. (Photo by Matthew Horwood/Getty Images)

A competitor reacts as she emerges from the water during the Tough Guy event in Perton, central England, January 26, 2014. The annual Tough Guy race – “the toughest race in the world” – at Perton in Staffordshire. Tough Guy claims to be the world’s most demanding one-day survival ordeal. First staged in 1987, the Tough Guy Challenge has been widely described as one of the hardest races of it’s type with up to one-third of the starters failing to finish in a typical year. (Photo by Darren Staples/Reuters)

American artists have drawn criticism after making stunning, intricate sculptures by pouring hot liquid aluminium into anthills.