First time gun owner, Jessie Palmieri holds a target she shot with a H&K VP9 9mm gun at the Ringmasters of Utah gun range, in Springville, Utah on December 18, 2015. (Photo by George Frey/Reuters)

Tattoo artist Tokyo Hiro draws a scorpion to be tattooed on a customer at the Tattoo the Earth Festival August 9, 2002 in Oakland, California. The Tattoo the Earth festival focuses on the tattooing culture and is the largest tattoo event of its kind. (Photo by Justin Sullivan/Getty Images)

A protester sprays paint on the window of a bank during a rally against Expo 2015 in Milan, Italy, April 30, 2015. The Milan Expo will open in the city on May 1. Officials are counting on some 20 million visitors to the six month-long exhibition of products and technologies from around the world. (Photo by Stefano Rellandini/Reuters)

Israelis in costumes spray water on each other during the annual Tel Aviv Water War on Hbima Square in Tel Aviv, Israel,10 July 2015. The annual water fight is on his 11th edition. (Photo by Abir Sultan/EPA)

A woman swings a child around a fire, where an effigy of the demon Ghantakarna was burnt to symbolize the destruction of evil, during the Ghantakarna festival at the ancient city of Bhaktapur, Nepal August 12, 2015. According to local folklore, the demon is believed to “steal” children and women from their homes and localities. (Photo by Navesh Chitrakar/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)

Italy's Mount Etna, Europe's tallest and most active volcano, spews lava as it erupts on the southern island of Sicily, Italy, February 28, 2017. (Photo by Antonio Parrinello/Reuters)

A dog walks past a mural by street artist Alex Martinez outside a shop which sells bags at Psiri area, central Athens, on Thursday, January 25, 2018. (Photo by Petros Giannakouris/AP Photo)