Artist Reply: Thanks Marie ..Interesting To Note That The Lower Photo Shows Holes Which We Created Along The Inside Of The Circumference Of The Mirror Polished Stainless Steel Cone We Engineered To Catch & Bounce Sunlight Onto The Bevels..There Are Tubes Attached To Each Hole That Bring Cool Air Up From The Sub Basement Of The Mandala Center Whenever The Temperature In The Skylight Reaches 82 Degrees..Helps Protect The Glass & Gold Metal Lines From Heat Deterioration