A photo taken on November 17, 2021 shows two glass recycling containers transformed as part of the new GAU project (Gallerie Urbane di Città Ideale, or Urban Galleries of the Ideal City), promoted by the cultural association Progetto Goldstein, in the Circonvallazione cornelia street of Rome. The project is transforming 34 containers for the separate collection of glass into artists' canvases with a special tribute to poet Dante and his Divine Comedy. (Photo by Tiziana Fabi/AFP Photo)

A 16-foot- ( almost 5 meters ) tall hand sculpture named Quasi stands perched on its fingertips atop the roof of an art gallery in Wellington, New Zealand, Wednesday, October 30, 2024. (Photo by Charlotte Graham-McLay/AP Photo)

A person reacts on the “Swiftie Steps” ahead of a Taylor Swift concert, following the cancellation of three Taylor Swift concerts in Vienna because of a planned attack, at Wembley Stadium in London, Britain on August 15, 2024. (Photo by Toby Melville/Reuters)

The Soulton Long Barrow in Shropshire, UK on January 5, 2025. The main chamber is aligned so that at winter solstice and for a few weeks after, the sun sets directly through the stained glass door, resulting in a beautifuil rainbow of light to flood through the chamber. (Photo by Andrew Fusek Peters/South West News Service)

“Still” also known as the “Mirror Man”, created by artist Rob Mulholland which symbolises the physical and spiritual relationship between humans and the natural world, has returned to Loch Earn in St. Fillans on May 9, 2025 after being removed in 2017 due to storm damage. (Photo by Lesley Martin)

People walk near an artwork depicting Pope Francis, following the death of the pontiff, in Rome, Italy, on April 22, 2025. (Photo by Dylan Martinez/Reuters)

Visitors stand next to the artwork “No, 2021” by Italian visual artist Maurizio Cattelan displayed at the gallery Gagosian during the Art Basel fair for Modern and contemporary art, in Basel, on June 17, 2025. The fair will open to the public from June 19 to June 22, 2025, featuring over 290 leading galleries and more than 4,000 artists from five continents. (Photo by Fabrice Coffrini/AFP Photo)

Luis Hernan was always curious about how wireless technologies like radio are transmitted through the air. So after finishing up his studies in architecture, computer science, and design, Hernan decided to research these invisible signals through a PhD at Newcastle University. Hernan set up a system that turned the wireless signals around him into colourful, ghostlike images using long-exposure photography, allowing people to see the strength of the signals around them. (Photo by Luis Hernan)