Abstract: The room 10 has a front wall 12 having at least one transparent window 22. The room 10 also has a ceiling 18 that slants from a high end 26 at or adjacent the front wall 12 to a low end 28 removed from the front wall 12. The ceiling 18 has an aperture 30 in it. There is a concave dome 32 on the outside of the ceiling 18 that covers the aperture, and the inside surface of the concave dome 32 is light reflecting. Lights 36 shine appropriate colors on the light reflecting inside surface 34 of the concave dome 32. The lights 36 are concealed from a viewer 24 located on the outside of the front wall 12.