An astonishing set of snaps of a thrill-seeker's sky-high catwalk show on the edge of some of the world's tallest buildings has turned her into a social media sensation. Daredevil Angelina Nikolau, 23, from Russia, has spent weeks travelling around China and Hong Kong posing for jaw-dropping skyscraper selfies hundreds of feet above the ground. Her vertigo inducing results – uploaded to Instagram – have made her an instant star on the internet. (Photo by Kirill Oreshkin/CEN)

Sebastien Laurent, manager of the Zoo, gives a slice of cake to Major, the holdest captive Orang-Outang in the world, as part of its 50th birthday ceremony, on July 17, 2012, at the La Boissiere-du-Doree Zoo near Nantes, western France. (Photo by Alain Jocard/AFP Photo)

“My name is In Cherl Kim. I'm a PR manager of Samsung Everland. Everland is a largest theme park in South Korea. Everland has a variety of attractions and flower garden and entertainment. Among other things, Everland zoo is very unique place!” – In Cherl Kim. Photo: Ring tailed lemur. (Photo by In Cherl Kim)

These adorable images of new born polar bears are bound to warm the hearts of even the biggest Ba-humbugs this Christmas. The stunning collection of photographs, taken over the space of ten years, manage to capture the tender bond between both mother and child as they emerge from their den for the very first time. Here: a Polar bear with its cub. (Photo by David Jenkins/Caters News)

Street artist Juandres Vera puts the finishing touches to a giant 3d pavement mural of The Beatles on September 23, 2011 in Liverpool, England. The giant 24m long by 6m wide work, entitled “XXL Liverpool” has been commissioned to celebrate the dual 50th anniversary of The Beatles first gig at The Cavern Club and meeting their manager Brian Epstein. The Beatles drawing kicks off The James Carling International Pavement Art Competition which starts on Sunday and will feature more than 50 of the world's best pavement artists (Photo by Christopher Furlong/Getty Images)

The mystifying flow of motion. We can rarely appreciate its beauty. Though there are ways to capture it on film, allowing us to marvel at its complexity. Stephen Orlando is a photographer who takes pleasure highlighting the magnificence of aquatic sports by using the brilliance of light. The beauty of the images that he creates comes not only from the composition of the photo, but also from the way Stephen managed to show the color transitions between each stroke of the kayaker. Even the rapids do not stand in the way of the marvelous dance of light. (Photo by Stephen Orlando)

Hisakata Hiroyuki, a talented photographer from Japan, has managed to snap a group of mortal tomcats in a variety of high-flying kung fu poses. Using his own rapid-fire reactions, he photographs the lovable cats flying through the air, their legs and paws outstretched, like something out of an action movie. (Photo by Hisakata Hiroyuki/Caters News Agency)