Tong Jieping, 44-year-old mentally disabled patient, is chained by his foot inside his room, in Qunxing village of Wangjiang county, Anhui province, China, July 14, 2015. Tong was diagnosed mentally ill when he was in his 20s. His parents, both in their 70s, could not afford the medical treatments so they had to lock him up in chains to prevent him from running away, according to Tong's family. (Photo by Reuters/Stringer)

A mahout watches the Thai animation movie Kan Kluay with his elephant in Ayuthaya province, about 80km (49 miles) north of Bangkok June 5, 2006. The movie tells the story of a young Thai wild elephant who, while looking for his father, becomes the war elephant of the Thai King fighting against Burma and restored Thailand's ancient Ayuthaya empire that existed about 400 years ago. (Photo by Sukree Sukplang/Reuters)

Matador Marco Espinola, who emigrated from the Azores two years ago, challenges a bull during an Azorean “tourada a corda” (bullfight by rope) in Brampton, Ontario August 15, 2015. Bulls in a tourada a corda are held by a rope controlled by a team of men to make sure the animal does not cause injury. Bulls are never killed, in contrast with bullfighting in Spain. The Portuguese population in Canada, numbering 429,000 in the 2011 census, mainly centers around Toronto with immigrants from the nine islands of the mid-Atlantic Azores archipelago. (Photo by Chris Helgren/Reuters)

In one of the planet’s most desolate and harsh terrains, the Altai Mountains which run from Siberia in Russia down to Mongolia’s Gobi Desert, hunting with eagles is currently only practiced by a handful of Kyrgyz and Kazakhs. This form of falconry, the practice of hunting with the aid of birds of prey, can be traced back as far as 4,000 years in Central Asia. Here: after a successful hunt, a proud hunter rewards his eagle by feeding it the lungs of the prey, which is considered the most highly prized part of the animal. (Photo by Tariq Zaidi/The Washington Post)

A serene turquoise glow glimmers from underneath these powerful icebergs. Stood in the middle of Antarctica, the giant icebergs appear to be from an unearthly world. These stunning photographs were captured by American photographer Michael Leggero. “My images show pure nature, as that is how I describe Antarctica, simply pure nature”, says the 43 year old, of Carthage, New York. “It is the only place on our planet that humans have not left a presence behind”. (Photo by Michael Leggero/Hotspotmedia/Visual Press Agency)

The stunning Milkyway in Midwestern U.S.A. captured by photographer Randy Halverson in 2013. The stunning skies in Midwestern U.S.A. captured by photographer Randy Halverson. The videographer captured rare footage of the Milky Way, the elusive Northern Lights and raging night storms in some of the most isolated regions of the U.S.A. The footage, which spans the skies of South Dakota, Wyoming and Utah, was taken between spring and autumn 2013. The 47-year-old spent 40 nights scattered across the eight-month period sat near his camera to capture the clear footage. Randy from Kennebec, South Dakota has been shooting timelapse for over 4 years. (Photo by Randy Halverson/Barcroft Media)

A photographer has captured these amazing rainbow-like images of stars high above the skies of Colorado. Stargazer Matt Payne, from Oregon, loves the evening skies so much, he has devoted hours to shooting the marvels of the Milky Way. The 35-year-old has to meticulously plan his work, taking into account weather, terrain, season and even the cycle of the moon to get the perfect snap. (Photo by Matt Payne/Caters News)

Mangli Munda poses on her wedding day with a stray dog in Jharkhand, India on August 30, 2014. An 18-year-old Indian girl has married a stray dog as a part of a tribal ritual designed to ward off an evil spell. Village elders hastily organised the wedding between Mangli Munda and the canine as the teenager is believed to be bringing bad luck to her community in a remote village in Jharkhand state. Mangli's father Sri Amnmunda agreed and even found a stray dog named Sheru as a match for his daughter. And while Mangli was a hesitant bride, she believes that the ceremony will help ensure that her future human husband will have a long life. (Photo by Barcroft Media/ABACAPress)