Coloured X-ray of a barn owl. A physicist has used X-ray to create an extraordinary collection of artwork. Arie van't Riets pictures reveal birds, fish, monkeys and flowers in an incredible new light. The 66-year-old, from Bathmen in the Netherlands, began X-raying flowers as a means to teach radiographers and physicians how the machine worked. But after adding a bit of colour to the pictures, the retired medical physicist realised the potential for an exciting new collection of art. (Photo by Arie van't Riet/Barcroft Media)

A farmer and his cow “Cilly” wait for results of the “Milchgipfel” (lit. Milk summit) which takes place at the German Ministry of Food and Agriculture in Berlin, Germany on May 30, 2016. Minister of Food and Agriculture Christian Schmidt met with representatives of agriculture and dairy farming to evaluate measures to help dairy farmers in light of plummeting milk prices. (Photo by Maurizio Gambarni/EPA)

People watch as workers inflate a near-10 metre high giant spider by Singaporean artist Jackson Tan in Singapore's Marina Bay financial district on February 6, 2017. The spider is one of several inflatable creatures that will form the Art-Zoo, a section created by Singaporean artist Jackson Tan for the iLight Marina Bay annual light-art festival in the city-state. (Photo by Roslan Rahman/AFP Photo)

In this May 3, 2016 photo provided by the New York State Department of Environmental Conservation, a deer with its head caught in the globe from a lighting fixture over its head stands in the woods in Centereach, N.Y. The deer was able to extricate itself with the help of Environmental Conservation Officer, Jeff Hull. Hull wrestled with the deer for a while and the globe shook free in the process. (Photo by New York State Department of Environmental Conservation via AP Photo)

A dog is worshiped during Tihar or Diwali festival in Kathmandu, Nepal on November 12, 2023. Nepali people worship dogs, dedicated solely to the human's most devoted friend and guardian on second day of Tihar fesival. “Tihar” the Hindu festival of flowers and lights, is celebrated for five days. (Photo by Sunil Sharma/ZUMA Press Wire/Rex Features/Shutterstock)

Motorcycle fans dressed as Santa Claus ride near Charlottenburg Palace (Schloss Charlottenburg)during the 25th annual “Santa Claus On Road” Berlin Bike Tour, to deliver gifts to the needy on December 10, 2022 in Berlin, Germany. Some 200 riders with vehicles decorated with lights and mini-Christmas trees took part in the annual event on its 25 year. Anyone may ride along, whether on motorcycle, trike or quad, as long as the vehicle is decorated accordingly. (Photo by Omer Messinger/Getty Images)

A juvenile blackcap is recorded in the soft light of morning at Minorca, UK, a former open-cast mine near Moira in the National Forest on June 18, 2025. Dr Heather Gilbert, research and evidence manager, checks mist nets among wildflowers and young trees as part of long-term monitoring that shows bird numbers have increased by 48 per cent over 30 years. (Photo by Rod Kirkpatrick/RKP Photography)

Ecuador-based illustrator and art director Javier Pérez has been posting a fun series of photo illustrations over on his Instagram account. The simple ideas mix everyday objects with line drawings, creating balloons out of grapes, porcupine quills out of nails, or light bulbs out of balloons