Arizona Cardinals cheerleader Claire Thorton, center, smiles as Air Force Capt. Eric Straub proposes to her during the first half of an NFL football game against the Washington Redskins, Sunday, October 12, 2014, in Glendale, Ariz. Thorton accepted the proposal. (Photo by Rick Scuteri/AP Photo)

A boy crawls under a cow during a religious ceremony celebrating the Tihar festival, also called Diwali, in Kathmandu, October 23, 2014. Hindus all over Nepal are celebrating the festival during which they worship cows, which are considered a maternal figure, and other animals. Also known as the festival of lights, devotees worship the goddess of wealth Laxmi by illuminating and decorating their homes using garlands, oil lamps, candles and colourful light bulbs. (Photo by Navesh Chitrakar/Reuters)

An Iraqi Muslim woman walks past Christmas decorations for sale in the Shiite holy city of Najaf on December 17, 2015. (Photo by Haidar Hamdani/AFP Photo)

A painter was drawing a lion head body painting on a model during the auto show on March 15, 2015. The local 2015 auto show was held in Xuchang Stadium in Xuchang, Henan Province, China. The exhibitors tried a variety of ways for promotion and attracting people's attention. Some exhibitors were giving gifts to the people scanning their QR codes and add them onto friends list. An auto company has invited young s*x underwear models and drew body paintings on the girls. (Photo by Xu Zhongxin/Sipa Asia)

A dog runs as Palestinian boys ride donkeys carrying vegetable after working in their field in the West Bank village of Nassariya near Nablus November 30, 2016. (Photo by Abed Omar Qusini/Reuters)

A Berber Moroccan woman, wearing traditional outfits, parades during the “Miss Rose” beauty contest as part of the yearly Rose Festival on May 13, 2016 in the town of Kelaat Mgouna, at the foot of the High Atlas Mountains in Morocco. (Photo by Fadel Senna/AFP Photo)

Heidi Klum, dressed as a werewolf, performs a dance from Michael Jackson's "Thriller" video her 18th Annual Halloween Party at Moxy Times Square on Tuesday, October 31, 2017, in New York. (Photo by Evan Agostini/Invision/AP Photo)

Private Harold L. Langhofer edges into the ball-turret, March 9, 1943. Curled in this position, he can turn the turret so that it fires in any direction. The turret can also be swung around so that the hatch opens into the plane, and the gunner can crawl into it while the Flying Fortress is in motion. (Photo by AP Photo)