United States, March 20 -- Opened in 1894, St. Louis Union Station is a historic landmark in the city. The station's Grand Hall, which once welcomed rail passengers, now serves as a hotel lobby, event space, and lounge - and features The Grand Hall Experience, combining projection mapping onto the massive and ornate 65-foot-tall ceiling with lights, music, and narration.The award-winning experience recently underwent a major upgrade, including new projection technology, media servers, and new and refreshed content. DreamLab Immersive designed and installed the system, selecting Christie Griffyn(R) 4K50-RGB pure laser projectors and Jazz Series 1DLP laser projectors to create a next-generation immersive show environment.Dreamlab Immersive se...