“Falling Back To Earth” promises to be both spectacular and meditative, and presents a beautiful, thought-provoking vision of our relationship with the earth and with each other. (Photo by Dave Hunt/EPA)

A polar bear plays with a pylon during celebrations marking its first birthday in an enclosure at Tierpark Hellabrunn zoo in Munich December 9, 2014. (Photo by Michaela Rehle/Reuters)

Texan-born photographer Peter Augustus has challenged our notions of what exactly is in mystery meat with a series of photographs showing the ingredient in its original form.

A woman crosses an open sewer as she makes her way to her house in a Christian slum in Islamabad December 4, 2014. (Photo by Zohra Bensemra/Reuters)

Anything not recycled in industry is sold on stalls along the neighbouring highway in Sitakunda Beach, Bangladesh, February 2012. A look inside Bangladesh’s ship breaking yards reveal the brutal conditions workers are subjected to everyday. (Photo by Jan Møller Hansen/Barcroft Images)

These hilarious photos show some of nature’s mightiest animals — yawning away! (Actually – not always; AvaxNews). The images were taken by photographers across the world, from the African savannas to the Pacific Ocean. Here: Elephant Seal. (Photo by David Crocker/Caters News Agency)

Urban photographer Roman Robroek spent five years scouring the continent for the grandest examples of forgotten architectural beauty. Here: Watch your step on this Polish spiral staircase. (Photo by Roman Robroek/South West News Service)

Situated 10km outside Nairobi city centre, this private giraffe sanctuary is centred around a colonial manor house named Giraffe Manor. Living within the grounds is a herd of rare Rothschild giraffe. The giraffes visit twice a day searching for food, before returning to the forest. Although still wild animals, they have become accustomed to receiving treats from residents and guests. (Photo by Klaus Thymann)