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)

Only the most intrepid urban explorers cross the tattered ruins of the old Iron Curtain to endure the excessive bureaucracy, military paranoia and freezing winds of the East to hunt for the ghosts of an empire. Rebecca Litchfield is one who couldn’t resist the haunting allure of the ruins of the Soviet Union.

Pretty Girls, Ugly Faces is a photo fad in which girls take pictures of themselves while posing in an unflattering manner, making a silly face or performing a physically strenuous activity.

In Portugal, in the last decade of September 2022 American singer-songwriter Nicole Scherzinger loosens up her buttons and lets the sun heat up her buns. (Photo by Nicole Scherzinger/Instagram)

A Christian evangelist hands out cards reading “God is Good!” as fans arrive for the University of Georgia football game against the University of Tennessee, ahead of the midterm elections including former Georgia football star and Republican U.S. Senate candidate Herschel Walker, in Athens, Georgia, U.S. November 5, 2022. (Photo by Jonathan Ernst/Reuters)

A Cameroon fan waits for the start of the Qatar 2022 World Cup Group G football match between Switzerland and Cameroon at the Al-Janoub Stadium in Al-Wakrah, south of Doha on November 24, 2022. (Photo by Hannah Mckay/Reuters)

An Indian woman reacts while performing yoga at a railway station on International Women's Day, organised by Heal-Station in association with Western Railway, in Mumbai, India, 08 March 2023. (Photo by Divyakant Solanki/EPA/EFE/Rex Features/Shutterstock)

Kirby waits to be judged during the 44th annual Drake Relays Beautiful Bulldog Contest, Monday, April 24, 2023, in Des Moines, Iowa. The pageant kicks off the Drake Relays festivities at Drake University where a bulldog is the mascot. (Photo by Charlie Neibergall/AP Photo)