Steampunk enthusiasts attend the first day of 'The Asylum Steampunk Festival' in Lincoln, northern England on August 26, 2016. The four-day alternative lifestyle festival is the largest and longest running steampunk festival in the World; combining art, literature, music, fashion and comedy. Steampunk is a subgenre of science fiction or science fantasy that incorporates technology and aesthetic designs inspired by 19th-century industrial steam-powered machinery. / AFP PHOTO / OLI SCARFFOLI SCARFF/AFP/Getty Images

Steampunk enthusiasts attend sit at a bar on the first day of 'The Asylum Steampunk Festival' in Lincoln, northern England on August 26, 2016. The four-day alternative lifestyle festival is the largest and longest running steampunk festival in the World; combining art, literature, music, fashion and comedy. Steampunk is a subgenre of science fiction or science fantasy that incorporates technology and aesthetic designs inspired by 19th-century industrial steam-powered machinery. / AFP PHOTO / OLI SCARFFOLI SCARFF/AFP/Getty Images

Steampunk enthusiasts fix their attire in a church hall on the first day of 'The Asylum Steampunk Festival' in Lincoln, northern England on August 26, 2016. The four-day alternative lifestyle festival is the largest and longest running steampunk festival in the World; combining art, literature, music, fashion and comedy. Steampunk is a subgenre of science fiction or science fantasy that incorporates technology and aesthetic designs inspired by 19th-century industrial steam-powered machinery. / AFP PHOTO / OLI SCARFFOLI SCARFF/AFP/Getty Images

Steampunk enthusiasts sit at a cafe on the first day of 'The Asylum Steampunk Festival' in Lincoln, northern England on August 26, 2016. The four-day alternative lifestyle festival is the largest and longest running steampunk festival in the World; combining art, literature, music, fashion and comedy. Steampunk is a subgenre of science fiction or science fantasy that incorporates technology and aesthetic designs inspired by 19th-century industrial steam-powered machinery. / AFP PHOTO / OLI SCARFFOLI SCARFF/AFP/Getty Images

Steampunk enthusiasts try on hats for sale at a market selling alternative lifestyle accessories on the first day of 'The Asylum Steampunk Festival' in Lincoln, northern England on August 26, 2016. The four-day alternative lifestyle festival is the largest and longest running steampunk festival in the World; combining art, literature, music, fashion and comedy. Steampunk is a subgenre of science fiction or science fantasy that incorporates technology and aesthetic designs inspired by 19th-century industrial steam-powered machinery. / AFP PHOTO / OLI SCARFFOLI SCARFF/AFP/Getty Images

Steampunk enthusiasts visit cashpoints as they attend the first day of 'The Asylum Steampunk Festival' in Lincoln, northern England on August 26, 2016. The four-day alternative lifestyle festival is the largest and longest running steampunk festival in the World; combining art, literature, music, fashion and comedy. Steampunk is a subgenre of science fiction or science fantasy that incorporates technology and aesthetic designs inspired by 19th-century industrial steam-powered machinery. / AFP PHOTO / OLI SCARFFOLI SCARFF/AFP/Getty Images

Visitors look at a self-driving car by Google displayed at the Viva Technology event in Paris, France, July 1, 2016. REUTERS/Benoit Tessier

Steampunk enthusiasts attend the first day of 'The Asylum Steampunk Festival' in Lincoln, northern England on August 26, 2016. The four-day alternative lifestyle festival is the largest and longest running steampunk festival in the World; combining art, literature, music, fashion and comedy. Steampunk is a subgenre of science fiction or science fantasy that incorporates technology and aesthetic designs inspired by 19th-century industrial steam-powered machinery. / AFP PHOTO / OLI SCARFFOLI SCARFF/AFP/Getty Images