North Korean leader Kim Jong Un smiles as he attends a flight training session by female fighter pilots Jo Kum Hyang and Rim Sol in this undated photo released by North Korea's Korean Central News Agency (KCNA) on June 22, 2015. (Photo by Reuters/KCNA/Antara Foto)

Buddhist novice poses for a picture while monks gather to receive alms at Wat Phra Dhammakaya temple, in what organizers said was a meeting of over 100,000 monks, in Pathum Thani, outside Bangkok April 22, 2016. (Photo by Jorge Silva/Reuters)

The combination of Venezuela's sky-rocketing prices and chronic product shortages have left many struggling to put regular food on their tables and maintain a balanced diet. According to one recent study, 87 percent of Venezuelans say their income is now insufficient to purchase their food needs. Here: All the food available in the house of Antonia Torres and her family, is pictured at their home in Caracas, Venezuela April 22, 2016. (Photo by Carlos Garcia Rawlins/Reuters)

Competitors in costume cross a water obstacle during the Wildsau Dirt Run (Wild Boar Dirt Run) obstacle course fun race at Hellsklamm ravine in Obertriesting, Austria, October 22, 2016. (Photo by Heinz-Peter Bader/Reuters)

A Russian ground staff member signals to the pilot of a Sukhoi Su-25 fighter jet at the Hmeymim air base near Latakia, Syria, in this handout photograph released by Russia's Defence Ministry October 22, 2015. (Photo by Reuters/Ministry of Defence of the Russian Federation)

Girls play with their new dolls during the distribution of free toys for low-income families and a picture on the lap of one of the Three Wise Men at Almudena Cathedral in Madrid, Spain, December 22, 2015. Traditionally, children in Spain receive their presents delivered by the Three Wise Men on the morning of January 6 during the Christian holiday of the Epiphany. (Photo by Susana Vera/Reuters)

A reveller wearing a golden cape celebrates as the sun rises during the winter solstice at Stonehenge on Salisbury plain in southern England December 22, 2014. The winter solstice is the shortest day of the year, and the longest night of the year. (Photo by Dylan Martinez/Reuters)

A member of India’s Dongria tribe faints in trance during the two-day long Niyamraja Festival atop the Niyamgiri hills near Lanjigarh in Kalahandi district, Orissa state, India, Sunday, February 22, 2015. Every year, members of this indigenous group celebrate this festival sacrificing animals and birds in worship of their deity. (Photo by Biswaranjan Rout/AP Photo)