A beautiful highly detailed retrofuturistic mechanical steampunk gala masquerade ladies in masks and sparkling gowns dancing with men in tuxedos holding champagne, spies in their midst, string quartet, chandeliers with sparkling lights, dynamic lighting, evening, elegant setting, ray tracing, retrofuturistic by Greg Rutkowski and filip hodas, dieselpunk, 70mm photo, featured on artstation, 4k, octane render | Steampunk