To keep the room light and bright, the architects used a clear glass shower wall and milk glass tiles from Urban Archaeology. (A caveat:The tiles came with knife-sharp edges and required laborious sanding.) The Raindance Showerhead is by Hans Grohe.
Or have a very deep small bath for a narrow space. maximize small bathroom space if you want separate shower and tub by putting tub against the wall, installing shower right next to it, and closing off the shower with glass.