A woman loyal to the Houthi movement holds a rifle as she takes part in a parade to show support to the movement in Sanaa, Yemen September 6, 2016. The Saudi-led Arab coalition launched a military campaign against the Huthis and their allies in March 2015, after the rebels closed in on Gulf-backed President Abedrabbo Mansour Hadi in his southern refuge of Aden, forcing him into exile. (Photo by Khaled Abdullah/Reuters)

Arisha, 9, takes instructions from coach Younus Qambrani during an exercise session at the first women's boxing coaching camp in Karachi, Pakistan February 19, 2016. For the past six months about a dozen girls, aged 8 to 17, have gone to the Pak Shine Boxing Club after school to practice their jabs, hooks and upper cuts. (Photo by Akhtar Soomro/Reuters)

In this photo released by Xhinhua News Agency, a rescuer evacuates residents near the site of a chemical plant blast in Zhangzhou, southeast China's Fujian Province Tuesday, April 7, 2015. Six people have been hospitalized and hundreds of firefighters deployed to battle a blaze sparked by an explosion at Goure PX Plant that produces the toxic chemical paraxylene, officials said Tuesday. (Photo by Wei Peiquan/AP Photo/Xinhua)

David Bowie, 1974. David Bowie's quirky character and style was perfectly encapsulated in this shot by Terry O'Neill, which shows the music legend posing next to a barking dog on the artwork for his 1974 album “Diamond Dogs” in London. (Photo by Terry O'Neill)

“One artist doesn’t mind if people class her work as rubbish. Thats because all of her pieces are made out of junk found in charity shops, garage sales and in and around her home. Using the likes of buttons, broken jewelry and toy parts, Jane Perkins, from Exeter, UK, has recreated the famous faces of Albert Einstein, Kate Middleton, The Queen, as well as some of the worlds most iconic paintings and photographs”. – Caters News. Photo: Afghan Girl (based on photograph by Steve McCurry/National Geographic). (Photo by Jane Perkins/Caters News)

“These are the astonishing images of the very aptly named door to hell, a fiery crater thats baffled scientist and has been flaming away for more than 40 years. The crater is 230-feet wide and situated near Derweze village in Turkmenistan”. – Caters News. (Photo by William Keeping/Caters News)

In this Sunday, May 4, 2014 photo, Survivors sit with their possessions near the site of Friday's landslide that buried Abi-Barik village in Badakhshan province, northeastern Afghanistan. Stranded and with no homes, many of the families have struggled to get aid. Some have gone to nearby villages to stay with relatives or friends, while others have slept in tents provided by aid groups. The unlucky ones have slept outside. (Photo by Massoud Hossaini/AP Photo)

In this March 13, 2015 photo, Yohan, 4, from left, Cristian, 7, and Angelo, 6, playfully toss coca leaves into the air, singing: “I have a lot of money, look at all the money I have”, in La Mar, province of Ayacucho, Peru. Hauling cocaine out of the remote valley is about the only way to earn decent cash in this region where a farmhand earns less than $10 a day. Beyond extinguishing young lives, the practice has packed Peru's highland prisons with cocaine backpackers while their bosses evade incarceration. (Photo by Rodrigo Abd/AP Photo)