A tattoo artist applying ink on a girl' s arm during the 2017 Moscow Tattoo Festival at Moscow' s Amber Plaza Shopping Center in Moscow, Russia on April 1, 2017. Tattoo artists from all over the world take part in the event. The festival' s program includes a tattoo contest, body taping art marathon, masterclasses, round table discussions and conferences. (Photo by Valery Sharifulin/TASS)

Emilio Gonzalez from Venezuela poses during the Cali Tattoo Festival in Cali, Colombia, September 12, 2015. (Photo by Jaime Saldarriaga/Reuters)

Camels walk down a street at the end of the Three Kings Day Parade in East Harlem on January 6, 2012 in New York City. (Photo by Mario Tama/Getty Images)

The Royal Air Force aerobatic team, the Red Arrows, perform during The Royal International Air Tattoo at the RAF in Fairford July 11, 2014. (Photo by Stefan Wermuth/Reuters)

Mary Jose Cristerna, a Mexican known as The Vampire Woman, poses for the public to take portraits of her during the annual Venezuela Tattoo International Expo in Caracas, Venezuela, Thursday, January 29, 2015. Tattoo artists from around the world are gathering for the four-day event that also includes under the skin implants and body piercing. (Photo by Ariana Cubillos/AP Photo)

An artist draws a tattoo on a woman's arm during a tattoo convention in Ljubljana April 18, 2015. (Photo by Srdjan Zivulovic/Reuters)

Tiharu Ram, 70, a follower of Ramnami Samaj, who has tattooed the name of the Hindu god Ram on his face, poses for a picture outside his house in the village of Chandlidi, in the eastern state of Chhattisgarh, India, November 16, 2015. Denied entry to temples and forced to use separate wells, low-caste Hindus in the eastern state of Chhattisgarh first tattooed their bodies and faces more than 100 years ago as an act of defiance and devotion. (Photo by Adnan Abidi/Reuters)