A Chinese boy reacts while wearing virtual reality (VR) glasses in a roller coaster simulator at Leke VR Park, a leading chain, on November 26, 2016 in Beijing, China. While virtual reality is still seen as a niche technology in many Western countries, VR is flourishing in China as a form of mainstream entertainment. Hundreds of VR arcades, kiosks, cafes, and 'experience rooms' are springing up in cities across the country, and offer a VR experience for about the price of a movie ticket…