CJ 4DPlex today announced that its 4DX technology is now available in 400 theatres around the world. The opening of its 400th location makes 4DX the fastest-growing premium cinema format, having reached this milestone in seven-and-a-half years following its debut in 2009. The 400th 4DX location is officially launching today at Wanda Cinemas in Tiantongyuan, Beijing, China, with the screening of Spider-Man: Homecoming – an ideal showcase for an innovative film technology that features motion seats and environmental effects such as rain, fog and various scents.