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this is 99% invisible i'm roman mars Here at the San Francisco main library and that is

Dennis Peoletti. If you walk into the library there's a five-story atrium.

He's an acoustic designer and it also is very hard and

reflective with all of the plaster concrete reflective materials.

Companies hire him to make their buildings and boardrooms and cathedrals and public spaces sound better.

When an early scheme, the architect had the main information desk right in the middle of that floor

plant in the center of that five-story atrium. The commotion that would go on, it

would be disastrous for the people who had to work there to try to hear the

visitors coming in asking for things and to try to communicate. One of the things we recommended was that just tuck that information desk off of the

atrium and tuck it under some of the mezzanines.

Pretty simple, pretty minor, but to me just made such an improvement.

I always like that solution.

But that's smart and simple choice to tuck the information desk over to the left

side so patrons and librarians could actually hear each other created this wide open circular entryway and no one really

knows how to walk across it without bumping into someone else so this beautiful

140 million dollar building has an added feature that certainly was not on the architect's plans.

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