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.

Armed with only paper, graphite and coloured pencils – plus his vivid imagination – the artist creates remarkable drawings that leap from the page when photographed. The 32-year-old, from Alkmaar in Holland, began experimenting with anamorphic 3D drawing five years ago. Photo: Ramon Bruin’s 3D illustration of two twins drawing each other. (Photo by Ramon Bruin/Medavia)

Elephants spray villagers with water in celebration of the Songkran water festival in Thailand's Ayutthaya province, north of Bangkok, April 10, 2015. The annual elephant Songkran is held to promote the tourism industry prior the Songkran Festival which is celebrated with splashing water and putting powder on each others faces as a symbolic sign of cleansing and washing away the sins from the old year. (Photo by Chaiwat Subprasom/Reuters)

Francisca Gomez stands at an entrance to her home, a cave where she has been living for the past 50 years, in the mountains on the outskirts of Chusmuy, Honduras April 21, 2015. The 75-year old widow receives help from neighbors and friends and she makes a little money by selling wood she collects, according to a local newspaper. (Photo by Jorge Cabrera/Reuters)

A reveller reacts during a water fight at Songkran Festival celebrations in Bangkok April 13, 2016. The three-day Songkran Festival starts on 13-15 April annually and is celebrated with splashing water and putting powder on each others faces as a symbolic sign of cleansing and washing away the sins from the old year. (Photo by Jorge Silva/Reuters)

These adorable rat portraits were taken by a committed photographer who’s made it her mission to remove the stigma attached to the creatures. Diane Ozdamar’s vibrant images feature rodents cutely cuddling flowers, eating fruit, playing with bubbles, and lovingly interacting with each other. The 32-year-old photographer, who lives in Montreal, Canada, shot her «Fancy Rats» series over a number of years. (Photo by Diane Ozdamar/Caters News)

Toby, an 11-year-old German shepherd-husky mix, can hold almost anything on his head that his owner, Pat Langner, can think up, including balls, Christmas trees, and even the ingredients for a peanut butter and jelly sandwich. He also shows remarkable self-restraint by not immediately gobbling down the food that his owner gives him to balance. Here: Toby balances halloween decorations on his head. (Photo by Pat Langer/Caters News Agency)

A UFO enthusiast who found himself locked in the iconic Roswell museum has shared the pictures he took with aliens to pass the time. Chris Burton, from the U.K., had dreamed of visiting Roswell, N.M., since he was a child but was stunned when he found himself locked in the International UFO Museum and Research Center during a recent trip. The 42-year-old used the unique opportunity to get interactive with the usually out of bounds exhibits and set up some funny snaps with the extraterrestrials – posing for a beer with one alien and taking a nap with another. (Photo by Chris Burton/Caters News Agency)