A woman runs through the early morning mist on Hampstead Heath on September 30, 2011 in London, England. Much of the UK is enjoying a spell of unseasonably hot weather which is expected to last into next week. (Photo by Dan Kitwood/Getty Images)

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

In this November 2, 2018 photo, a voodoo believer who is supposed to be possessed with Gede spirit performs rituals near Baron Samedi's tomb during the annual Voodoo festival Fete Gede at Cite Soleil Cemetery in Port-au-Prince, Haiti. As a proof that they got into trance and their bodies got possessed by Gedes, they drink and wash their faces, their eyes and even their genitals with a mixture of raw rum and hot chili peppers that, according to believers, could burn the skin of any human alive. (Photo by Dieu Nalio Chery/AP Photo)

Lady Gaga left her hotel to party in the east end of london for the night on September 10, 2016. She was wearing shiny hot pants and a little crop top showing off some under boob. But had sticky tape covering her nipples. Lady Gaga and Mark Ronson performed her new single “Perfect Illusion” at the General Browning Club in Hackney. Afterwards she went with a few friends to Metropolis strip club in Hackney. Lady Gaga left at 4am and returned to her Hotel. (Photo by Splash News and Pictures)

In this timed-exposure night photo taken early on February 12, 2017, Mount Sinabung volcano spews reddish smoke and ash, as seen from the Karo district in North Sumatra province. Activity levels have increased in the past week, with Sinabung shooting hot ash clouds into the sky dozens of times, according to the local volcano monitoring agency. (Photo by AFP Photo/Stringer)

This image is NGC 6543 known as the Cat's Eye Nebula as it appears to the Chandra X-Ray Observatory and Hubble Telescope. A planetary nebula is a phase of stellar evolution that the sun should experience several billion years from now, when it expands to become a red giant and then sheds most of its outer layers, leaving behind a hot core that contracts to form a dense white dwarf star. This image was released October 10, 2012. (Photo by J. Kastner/NASA/CXC/RIT)

Homeless people queue to get free hot food organized by social services during frost winter day in-Kiev on December 18, 2012. Nineteen people died of exposure in Ukraine in the last 24 hours amid temperatures of minus 20 degrees Celsius (minus 4 degrees Fahrenheit), bringing the toll this month to 37, the health ministry said Tuesday. (Photo by Sergei Supinsky/AFP Photo)

A canine-crazy photographer helped make his dog healthy after seeing him raid the fridge by posing him up with fruit. Scott Cromwell, 43, from Oklahoma City, caught faithful mutt Winston guzzling hot dogs after he looted the refrigerator. Well-trained Winston was then happy to get his five-a-day by taking tongue-in-cheek snaps with red apples, bananas, grapes, limes and orange. (Photo by Scott Cromwell/Caters News)