Antonina Yermokhina, 86, does physical exercises during her daily training session on the embankment of the Yenisei River in the Siberian town of Divnogorsk, Russia November 13, 2017. (Photo by Ilya Naymushin/Reuters)

A Kurdish fighter from the People's Protection Units (YPG) fires his rifle at Islamic State militants as he runs across a street in Raqqa, Syria, July 2017. (Photo by Goran Tomasevic/Reuters)

A woman wearing a scarf to cover her face looks on as she waits for a passenger bus on a smoggy morning in New Delhi, India, November 8, 2017. The Great Smog of Delhi is an ongoing severe air-pollution event in New Delhi and adjoining areas in the National Capital Territory of India, in November 2017. Air pollution at this time peaked on both PM 2.5 and PM 10 levels. It has been reported as one of the worst levels of air quality in Delhi since 1999. (Photo by Saumya Khandelwal/Reuters)

A 2S5 Giatsint self- propelled gun fires during tactical exercises held by artillery detachments of the Russian Eastern Military District' s 5th Army at the Sergeyevsky training ground in Primorye Territory, Russia on March 21, 2017. Over 2500 servicemen practice combat skills received in 2017 winter training exercises. (Photo by Yuri Smityuk/TASS)

In this August 21, 2017 photo released by the U.S. Defense Department, Qatari special operations personnel conduct a military free-fall Friendship Jump over Qatar. The U.S. military has halted some exercises with its Gulf Arab allies over the ongoing diplomatic crisis targeting Qatar, trying to use its influence to end the monthslong dispute, authorities told The Associated Press on Friday, October 6, 2017. (Photo by Staff Sgt. Trevor T. McBride/ U.S. Air Force via AP Photo)

A mother raise her glass filled with 2017 Beaujolais Nouveau wine as she holds her child in a colored hot water “wine bath” at Hakone Kowakien Yunessun hot spring resort in Hakone, west of Tokyo, Japan, 16 November 2017, on the day of the Beaujolais Nouveau official release. With Germany and the United States, Japan is a major market for the Beaujolais Nouveau. (Photo by Franck Robichon/EPA/EFE)

A student from the union territory of Pondicherry prepares to take part in the inaugural session of the national Balrang Festival 2017 in Bhopal, India, 20 December 2017. More than 500 participants from 26 states across the country take part in the three-day long cultural event to showcase their performances. The festival organised by Madhya Pradesh School Education Department and Indira Gandhi Rashtriya Manav Sangralaya. (Photo by Sanjeev Gupta/EPA/EFE)

Chloe Khan dressed as Princess Jasmine from Aladdin seen on October 31, 2017 in London, England. (Photo by iCelebTV)