Yea its actually a huge metal structure close to 16ft tall from what I was told. Those 3 have bent metal for each arch of the waterfall and the center posts. They also have the lights inside a clear tube to disperse some of the light. I was looking at it back in December and did a small mock up in google sketchup to make a smaller model..........
WOW I remember somebody telling me it was indeed 16 ft tall but actually seeing it with someone standing under it in the daylight is impressive. That fountain is massive.