A tattoo artist works during an exhibition of 2016 Shanghai International Art Festival Of Tattoos in Shanghai, China, April 23, 2016. (Photo by Aly Song/Reuters)





Participants compete in a tattoo contest during an exhibition of 2016 Shanghai International Art Festival Of Tattoos in Shanghai, China, April 23, 2016. (Photo by Aly Song/Reuters)





A participant competes in a tattoo contest during an exhibition of 2016 Shanghai International Art Festival Of Tattoos in Shanghai, China, April 23, 2016. (Photo by Aly Song/Reuters)





Participants compete in a tattoo contest during an exhibition of 2016 Shanghai International Art Festival Of Tattoos in Shanghai, China, April 23, 2016. (Photo by Aly Song/Reuters)





Candy Wang, 4, shows her tattoo stickers during an exhibition of 2016 Shanghai International Art Festival Of Tattoos in Shanghai, China, April 22, 2016. (Photo by Aly Song/Reuters)





A participant competes in a tattoo contest during an exhibition of 2016 Shanghai International Art Festival Of Tattoos in Shanghai, China, April 23, 2016. (Photo by Aly Song/Reuters)





People use their mobile phones to take pictures of a participant after a tattoo contest during an exhibition of 2016 Shanghai International Art Festival Of Tattoos in Shanghai, China, April 22, 2016. (Photo by Aly Song/Reuters)





Exhibitors sit at an exhibition booth during an exhibition of 2016 Shanghai International Art Festival Of Tattoos in Shanghai, China, April 22, 2016. (Photo by Aly Song/Reuters)





A man gets tattooed during an exhibition of 2016 Shanghai International Art Festival Of Tattoos in Shanghai, China, April 23, 2016. (Photo by Aly Song/Reuters)





A participant shows his tattoo before a tattoo contest during an exhibition of 2016 Shanghai International Art Festival Of Tattoos in Shanghai, China, April 23, 2016. (Photo by Aly Song/Reuters)





An exhibitor checks his phone during an exhibition of 2016 Shanghai International Art Festival Of Tattoos in Shanghai, China, April 23, 2016. (Photo by Aly Song/Reuters)





An exhibitor checks an image of Buddha on a mobile phone during an exhibition of 2016 Shanghai International Art Festival Of Tattoos in Shanghai, China, April 23, 2016. (Photo by Aly Song/Reuters)





An artist works on a tattoo on a woman during the second International Tattoo Festival in Sochi, Russia, April 23, 2016. (Photo by Kazbek Basayev/Reuters)





An artist works on a tattoo on a woman during the second International Tattoo Festival in Sochi, Russia, April 23, 2016. (Photo by Kazbek Basayev/Reuters)





Tattoo artists work on clients during the second International Tattoo Festival in Sochi, Russia, April 23, 2016. (Photo by Kazbek Basayev/Reuters)





Tattoo artists work on clients during the second International Tattoo Festival in Sochi, Russia, April 23, 2016. (Photo by Kazbek Basayev/Reuters)





Tattoo artists work on clients during the second International Tattoo Festival in Sochi, Russia, April 23, 2016. (Photo by Kazbek Basayev/Reuters)





An artist works on a tattoo on a woman during the second International Tattoo Festival in Sochi, Russia, April 23, 2016. (Photo by Kazbek Basayev/Reuters)





A tattoo artist works on a client during the second International Tattoo Festival in Sochi, Russia, April 23, 2016. (Photo by Kazbek Basayev/Reuters)





A man gets a tattoo during the second International Tattoo Festival in Sochi, Russia, April 23, 2016. (Photo by Kazbek Basayev/Reuters)





People attend the second International Tattoo Festival in Sochi, Russia, April 23, 2016. (Photo by Kazbek Basayev/Reuters)





A woman with a child attends the second International Tattoo Festival in Sochi, Russia, April 23, 2016. (Photo by Kazbek Basayev/Reuters)